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Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3
1

%I #4 Dec 17 2014 11:10:03

%S 48658,1149386,30491181,732217984,17918363933,443610072768,

%T 10912522669489,268546526289340,6614897944285757,162882261040491536,

%U 4010626018505396919,98759585707049584445,2431863109516879847304

%N Number of (n+2)X(4+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 3

%C Column 4 of A252447

%H R. H. Hardin, <a href="/A252444/b252444.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 17 2014