cp's OEIS Frontend

A241279 Number of n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

%I A241279 #6 Apr 13 2022 20:19:37
%S A241279 4,5,41,236,1615,12356,96171,761754,6079503,48655224,389953075,
%T A241279 3127470262,25091008666,201333623389,1615666305519,12966002651979,
%U A241279 104056784269403,835102517412497,6702114259119338,53787979810054439
%N A241279 Number of n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
%C A241279 Column 3 of A241283.
%H A241279 R. H. Hardin, <a href="/A241279/b241279.txt">Table of n, a(n) for n = 1..210</a>
%e A241279 Some solutions for n=4
%e A241279 ..3..2..3....3..2..3....3..2..3....3..2..3....3..3..2....3..2..3....3..2..3
%e A241279 ..2..1..2....2..1..2....2..1..2....2..1..2....2..1..3....0..3..2....0..3..2
%e A241279 ..2..2..0....0..0..2....0..0..0....2..2..0....3..1..2....0..2..0....0..2..2
%e A241279 ..0..2..0....2..0..0....0..2..2....0..0..3....2..2..2....0..0..0....0..0..0
%Y A241279 Cf. A241283.
%K A241279 nonn
%O A241279 1,1
%A A241279 _R. H. Hardin_, Apr 18 2014