|
%I #4 Oct 29 2013 10:21:01
%S 31212,4838400,820317888,116879941620,17027460691212,2446111719135732,
%T 350956390609736652,50358119242966513344,7223117962392705998700,
%U 1035950069921732837599728,148583744714836638940179888
%N Number of (n+3)X(4+3) 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero
%C Column 4 of A230757
%H R. H. Hardin, <a href="/A230753/b230753.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=1
%e ..0..1..2..0..1..0..1....0..0..1..2..1..1..2....0..1..2..0..2..0..2
%e ..2..1..0..0..1..2..2....2..1..1..2..0..0..2....0..1..2..0..1..0..2
%e ..0..0..2..2..0..0..1....2..1..1..2..0..0..2....0..1..0..2..1..0..2
%e ..2..2..1..1..2..2..2....0..0..1..2..1..1..2....0..2..0..2..2..1..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 29 2013
| 