Best Known (21, 21+57, s)-Nets in Base 9
(21, 21+57, 74)-Net over F9 — Constructive and digital
Digital (21, 78, 74)-net over F9, using
- t-expansion [i] based on digital (17, 78, 74)-net over F9, using
- net from sequence [i] based on digital (17, 73)-sequence over F9, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 17 and N(F) ≥ 74, using
- net from sequence [i] based on digital (17, 73)-sequence over F9, using
(21, 21+57, 88)-Net over F9 — Digital
Digital (21, 78, 88)-net over F9, using
- net from sequence [i] based on digital (21, 87)-sequence over F9, using
- Niederreiter–Xing sequence construction II/III [i] based on function field F/F9 with g(F) = 21 and N(F) ≥ 88, using
(21, 21+57, 577)-Net in Base 9 — Upper bound on s
There is no (21, 78, 578)-net in base 9, because
- 1 times m-reduction [i] would yield (21, 77, 578)-net in base 9, but
- the generalized Rao bound for nets shows that 9m ≥ 30 615318 947828 578385 124528 491736 625793 923840 272929 198966 992344 789433 611585 > 977 [i]