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 A255098 Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1 1

%I #4 Feb 14 2015 11:57:19

%S 991,4075,20928,106848,554091,2926453,15422602,81332263,430226255,

%T 2275433973,12028214483,63607958682,336465322704,1779684383267,

%U 9412837323571,49786045320471,263334619372205,1392868454109118

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

%C Column 5 of A255101

%H R. H. Hardin, <a href="/A255098/b255098.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A255098/a255098.txt">Empirical recurrence of order 83</a>

%F Empirical recurrence of order 83 (see link above)

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A255101

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 14 2015

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Last modified June 7 20:32 EDT 2023. Contains 363157 sequences. (Running on oeis4.)