|
%I #5 Dec 18 2015 18:18:44
%S 0,0,0,32,91084,765537650,34266592666538,11220386097390449420,
%T 24971760141637764971446132
%N Number of n X n 0..4 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 5, and upper left element zero
%C Diagonal of A230571
%e Some solutions for n=4
%e ..0..1..2..3....0..1..0..1....0..1..2..1....0..1..2..1....0..1..2..1
%e ..0..4..4..0....2..3..2..1....2..3..0..4....2..3..2..1....0..3..0..4
%e ..3..2..1..0....4..0..0..4....4..0..3..2....4..0..0..4....4..0..3..0
%e ..1..0..4..3....1..2..3..2....1..2..1..0....1..2..3..2....1..2..1..0
%K nonn
%O 1,4
%A _R. H. Hardin_, Oct 23 2013
| 