|
%I #4 Jan 01 2014 05:38:58
%S 11714,56100,272878,1375612,7418922,41004436,226557788,1275430856,
%T 7323656914,41575518312,238368201718,1388296595292,7966257332788,
%U 46054074430248,269870537562698,1556158815336760,9030637577786558
%N Number of (n+2)X(2+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal
%C Column 2 of A234867
%H R. H. Hardin, <a href="/A234863/b234863.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=2
%e ..0..3..2..0....2..0..3..1....0..2..3..0....3..2..3..0....3..2..3..1
%e ..3..2..0..2....3..1..0..3....1..3..0..1....2..1..0..1....2..3..0..2
%e ..2..0..1..3....1..2..3..1....0..1..2..3....3..0..3..2....1..0..1..0
%e ..3..1..3..0....0..3..1..0....2..0..3..1....1..3..2..0....2..3..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 01 2014
| 