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 A256732 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three 1

%I #4 Apr 09 2015 12:33:11

%S 413440,14137600,388595712,12465275904,369798053888,11265313555456,

%T 337855448236032,10232633445990400,307652425443164160,

%U 9286825801707749376,279497997763831857152,8426534426750002397184

%N Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum zero and no antidiagonal sum three

%C Column 5 of A256735

%H R. H. Hardin, <a href="/A256732/b256732.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A256735

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 09 2015

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Last modified December 9 09:12 EST 2023. Contains 367690 sequences. (Running on oeis4.)