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A234205 Number of (n+1)X(5+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15 1

%I #4 Dec 21 2013 08:54:05

%S 31552,115680,429552,2064028,9242640,49998832,240124200,1384025392,

%T 6844958752,41343086964,207396667592,1306575513404,6601907355400,

%U 43315922171432,219579050657640,1498300171774452,7600864641546256

%N Number of (n+1)X(5+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 15

%C Column 5 of A234208

%H R. H. Hardin, <a href="/A234205/b234205.txt">Table of n, a(n) for n = 1..108</a>

%e Some solutions for n=2

%e ..4..1..0..1..1..0....1..4..4..1..5..1....3..0..3..3..3..0....1..1..1..5..4..5

%e ..1..5..1..5..4..4....5..1..0..4..1..4....0..4..0..5..0..4....0..5..4..1..1..1

%e ..4..1..0..1..1..0....1..4..4..1..5..1....4..1..4..4..4..5....1..1..1..5..4..5

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 21 2013

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)