Best Known (21, 21+48, s)-Nets in Base 4

(21, 21+48, 34)-Net over F4Constructive and digital

Digital (21, 69, 34)-net over F4, using

(21, 21+48, 44)-Net over F4 — Digital

Digital (21, 69, 44)-net over F4, using

(21, 21+48, 134)-Net in Base 4 — Upper bound on s

There is no (21, 69, 135)-net in base 4, because

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