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A252333 Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8 1

%I #4 Dec 16 2014 19:51:57

%S 72899,89296,503439,1835652,13814611,76990025,287805377,2229362249,

%T 12829378336,47542221588,366440142125,2116313980125,7855741384535,

%U 60610656095807,349146205784944,1296289296487504,10025198729031327

%N Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 3 5 6 or 8 and every 3X3 diagonal and antidiagonal sum not equal to 0 3 5 6 or 8

%C Column 7 of A252334

%H R. H. Hardin, <a href="/A252333/b252333.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 16 2014

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Last modified May 10 07:40 EDT 2024. Contains 372358 sequences. (Running on oeis4.)