Best Known (68, 68+19, s)-Nets in Base 27
(68, 68+19, 59117)-Net over F27 — Constructive and digital
Digital (68, 87, 59117)-net over F27, using
- (u, u+v)-construction [i] based on
- digital (5, 14, 68)-net over F27, using
- net from sequence [i] based on digital (5, 67)-sequence over F27, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F27 with g(F) = 5 and N(F) ≥ 68, using
- net from sequence [i] based on digital (5, 67)-sequence over F27, using
- digital (54, 73, 59049)-net over F27, using
- net defined by OOA [i] based on linear OOA(2773, 59049, F27, 19, 19) (dual of [(59049, 19), 1121858, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(2773, 531442, F27, 19) (dual of [531442, 531369, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 531442 | 278−1, 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(2773, 531442, F27, 19) (dual of [531442, 531369, 20]-code), using
- net defined by OOA [i] based on linear OOA(2773, 59049, F27, 19, 19) (dual of [(59049, 19), 1121858, 20]-NRT-code), using
- digital (5, 14, 68)-net over F27, using
(68, 68+19, 59149)-Net in Base 27 — Constructive
(68, 87, 59149)-net in base 27, using
- (u, u+v)-construction [i] based on
- (5, 14, 100)-net in base 27, using
- 2 times m-reduction [i] based on (5, 16, 100)-net in base 27, using
- base change [i] based on digital (1, 12, 100)-net over F81, using
- net from sequence [i] based on digital (1, 99)-sequence over F81, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F81 with g(F) = 1 and N(F) ≥ 100, using
- net from sequence [i] based on digital (1, 99)-sequence over F81, using
- base change [i] based on digital (1, 12, 100)-net over F81, using
- 2 times m-reduction [i] based on (5, 16, 100)-net in base 27, using
- digital (54, 73, 59049)-net over F27, using
- net defined by OOA [i] based on linear OOA(2773, 59049, F27, 19, 19) (dual of [(59049, 19), 1121858, 20]-NRT-code), using
- OOA 9-folding and stacking with additional row [i] based on linear OA(2773, 531442, F27, 19) (dual of [531442, 531369, 20]-code), using
- the expurgated narrow-sense BCH-code C(I) with length 531442 | 278−1, 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(2773, 531442, F27, 19) (dual of [531442, 531369, 20]-code), using
- net defined by OOA [i] based on linear OOA(2773, 59049, F27, 19, 19) (dual of [(59049, 19), 1121858, 20]-NRT-code), using
- (5, 14, 100)-net in base 27, using
(68, 68+19, 2406670)-Net over F27 — Digital
Digital (68, 87, 2406670)-net over F27, using
(68, 68+19, large)-Net in Base 27 — Upper bound on s
There is no (68, 87, large)-net in base 27, because
- 17 times m-reduction [i] would yield (68, 70, large)-net in base 27, but