Best Known (49, 49+19, s)-Nets in Base 27
(49, 49+19, 2251)-Net over F27 — Constructive and digital
Digital (49, 68, 2251)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (4, 13, 64)-net over F27, using
- net from sequence [i] based on digital (4, 63)-sequence over F27, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F27 with g(F) = 4 and N(F) ≥ 64, using
- net from sequence [i] based on digital (4, 63)-sequence over F27, using
- digital (36, 55, 2187)-net over F27, using
- net defined by OOA [i] based on linear OOA(2755, 2187, F27, 19, 19) (dual of [(2187, 19), 41498, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(2755, 19684, F27, 19) (dual of [19684, 19629, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- OOA 9-folding and stacking with additional row [i] based on linear OA(2755, 19684, F27, 19) (dual of [19684, 19629, 20]-code), using
- net defined by OOA [i] based on linear OOA(2755, 2187, F27, 19, 19) (dual of [(2187, 19), 41498, 20]-NRT-code), using
- digital (4, 13, 64)-net over F27, using
(49, 49+19, 2269)-Net in Base 27 — Constructive
(49, 68, 2269)-net in base 27, using
- 271 times duplication [i] based on (48, 67, 2269)-net in base 27, using
- (u, u+v)-construction [i] based on
- (3, 12, 82)-net in base 27, using
- base change [i] based on digital (0, 9, 82)-net over F81, using
- net from sequence [i] based on digital (0, 81)-sequence over F81, using
- generalized Faure sequence [i]
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 0 and N(F) ≥ 82, using
- the rational function field F81(x) [i]
- Niederreiter sequence [i]
- net from sequence [i] based on digital (0, 81)-sequence over F81, using
- base change [i] based on digital (0, 9, 82)-net over F81, using
- digital (36, 55, 2187)-net over F27, using
- net defined by OOA [i] based on linear OOA(2755, 2187, F27, 19, 19) (dual of [(2187, 19), 41498, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(2755, 19684, F27, 19) (dual of [19684, 19629, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 19684 | 276−1, defining interval I = [0,9], and minimum distance d ≥ |{−9,−8,…,9}|+1 = 20 (BCH-bound) [i]
- OOA 9-folding and stacking with additional row [i] based on linear OA(2755, 19684, F27, 19) (dual of [19684, 19629, 20]-code), using
- net defined by OOA [i] based on linear OOA(2755, 2187, F27, 19, 19) (dual of [(2187, 19), 41498, 20]-NRT-code), using
- (3, 12, 82)-net in base 27, using
- (u, u+v)-construction [i] based on
(49, 49+19, 74231)-Net over F27 — Digital
Digital (49, 68, 74231)-net over F27, using
(49, 49+19, large)-Net in Base 27 — Upper bound on s
There is no (49, 68, large)-net in base 27, because
- 17 times m-reduction [i] would yield (49, 51, large)-net in base 27, but