cp's OEIS Frontend

A197248 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.

%I A197248 #7 Jun 02 2025 04:48:49
%S A197248 3,80,227,5713,31276,405065,3264225,29975706,324191969,2687575073,
%T A197248 30493965518,259733680667,2634174755809,25422825883256,
%U A197248 236887111563899,2418154978600875,22091513472216108,220206294709791833
%N A197248 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,0,1,1,1 for x=0,1,2,3,4.
%C A197248 Every 0 is next to 0 0's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 1's
%C A197248 Column 6 of A197250
%H A197248 R. H. Hardin, <a href="/A197248/b197248.txt">Table of n, a(n) for n = 1..210</a>
%e A197248 Some solutions containing all values 0 to 4 for n=4
%e A197248 ..1..2..0..1..2..0....1..1..0..1..1..0....0..2..1..0..1..1....2..1..0..1..1..2
%e A197248 ..0..1..1..4..1..2....0..3..1..4..1..1....2..1..4..1..2..0....1..4..1..1..0..1
%e A197248 ..1..3..2..1..0..1....2..1..4..1..0..1....1..0..1..1..3..1....0..1..2..3..1..2
%e A197248 ..2..1..0..2..1..2....1..0..1..3..1..2....2..1..1..0..1..2....1..2..0..1..2..0
%K A197248 nonn
%O A197248 1,1
%A A197248 _R. H. Hardin_ Oct 12 2011