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A255791 Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0 1

%I #4 Mar 06 2015 12:33:35

%S 6186,6668,28009,110678,496995,2364049,10902535,50280547,235622788,

%T 1098780761,5111533704,23832441783,111171909857,517928051299,

%U 2414430817776,11254623501289,52467900379268,244525761912727

%N Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 2 and no antidiagonal sum 2 and no row sum 0 and no column sum 0

%C Column 7 of A255792

%H R. H. Hardin, <a href="/A255791/b255791.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A255792

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 06 2015

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)