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A256733 Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three 1

%I #4 Apr 09 2015 12:33:51

%S 2310400,122323600,5101387776,249872016384,11265313555456,

%T 518482372363264,23679083944969216,1087948930038793216,

%U 49833394812336710656,2289420346251101357056,104989233738265588491264

%N Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three

%C Column 6 of A256735

%H R. H. Hardin, <a href="/A256733/b256733.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..0..0..1..0..0..1....0..0..0..0..1..1..0..1....0..0..0..0..0..0..0..0

%e ..0..1..1..1..1..0..1..0....1..1..1..0..1..0..1..0....0..1..1..1..1..1..0..1

%e ..1..1..0..1..0..0..1..0....0..1..0..0..1..0..0..0....1..0..0..1..0..0..1..1

%Y Cf. A256735

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 09 2015

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Last modified March 2 14:11 EST 2024. Contains 370488 sequences. (Running on oeis4.)