Best Known (18, 18+21, s)-Nets in Base 81

(18, 18+21, 370)-Net over F81Constructive and digital

Digital (18, 39, 370)-net over F81, using

(18, 18+21, 642)-Net over F81 — Digital

Digital (18, 39, 642)-net over F81, using

(18, 18+21, 1011876)-Net in Base 81 — Upper bound on s

There is no (18, 39, 1011877)-net in base 81, because

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