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A252512 Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7 1

%I

%S 9526,76113,252551,584827,1629431,5381168,17585706,57799811,185530073,

%T 599739636,2051749067,6783005877,22492217702,80205331055,272388576539,

%U 929003666072,3454446367983,12033892581409,42112653517892

%N Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 2 5 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 2 5 6 or 7

%C Column 6 of A252514

%H R. H. Hardin, <a href="/A252512/b252512.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..2..3..2..2..1..3..1..3....3..2..0..0..2..0..0..2....2..2..2..3..1..3..2..2

%e ..3..1..3..1..3..1..3..1....1..0..1..1..0..1..1..0....2..1..3..1..3..1..3..1

%e ..1..3..1..3..1..3..1..3....1..0..1..1..0..1..1..3....1..3..1..3..1..3..1..3

%e ..3..1..2..2..2..1..3..2....3..2..0..3..2..0..3..2....3..1..3..2..2..2..3..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2014

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Last modified January 24 07:18 EST 2020. Contains 331189 sequences. (Running on oeis4.)