MinT - Best Known (7, 21, s)-Nets in Base 256

Best Known (7, 21, s)-Nets in Base 256

(7, 21, 514)-Net over F₂₅₆ — Constructive and digital

Digital (7, 21, 514)-net over F₂₅₆, using

(u,Â u+v)-construction [i] based on
1. digital (0, 7, 257)-net over F₂₅₆, using
  - net from sequence [i] based on digital (0, 256)-sequence over F₂₅₆, using
    - generalized Faure sequence [i]
    - Niederreiterâ€“Xing sequence constructionÂ II/III [i] based on function field F/F₂₅₆ with g(F) = 0 and N(F) ≥ 257, using
      - the rational function field F₂₅₆(x) [i]
    - Niederreiter sequence [i]
2. digital (0, 14, 257)-net over F₂₅₆, using
  - net from sequence [i] based on digital (0, 256)-sequence over F₂₅₆ (see above)

(7, 21, 222378)-Net in Base 256 — Upper bound on s

There is no (7, 21, 222379)-net in base 256, because

the generalized Rao bound for nets shows that 256^mÂ â‰¥ 374 152390 232017 049838 355360 026998 370376 393006 983016 > 256²¹ [i]