Best Known (20−16, 20, s)-Nets in Base 3
(20−16, 20, 12)-Net over F3 — Constructive and digital
Digital (4, 20, 12)-net over F3, using
- net from sequence [i] based on digital (4, 11)-sequence over F3, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F3 with g(F) = 4 and N(F) ≥ 12, using
(20−16, 20, 15)-Net in Base 3 — Upper bound on s
There is no (4, 20, 16)-net in base 3, because
- 1 times m-reduction [i] would yield (4, 19, 16)-net in base 3, but
- extracting embedded OOA [i] would yield OOA(319, 16, S3, 2, 15), but
- the linear programming bound for OOAs shows that M ≥ 186090 974883 / 155 > 319 [i]
- extracting embedded OOA [i] would yield OOA(319, 16, S3, 2, 15), but