cp's OEIS Frontend

A241394 Number of n X 4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero 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 A241394 #9 Oct 29 2023 02:30:52
%S A241394 6,23,85,480,2780,17211,102782,645484,3936420,24633252,150911826,
%T A241394 941907715,5783836527,36025719987,221566632164,1377925800191,
%U A241394 8486654284672,52714390850462,324976079474744,2016735929148039,12443708121368662,77167572875652387,476406669588897579
%N A241394 Number of n X 4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.
%H A241394 R. H. Hardin, <a href="/A241394/b241394.txt">Table of n, a(n) for n = 1..210</a>
%e A241394 Some solutions for n=4:
%e A241394 ..2..3..3..3....3..2..2..2....2..3..3..2....2..3..3..2....2..3..3..2
%e A241394 ..1..3..1..2....1..2..0..0....1..3..2..0....2..1..2..2....1..3..2..0
%e A241394 ..1..0..0..3....3..0..0..0....1..0..0..0....3..0..1..2....1..2..0..2
%e A241394 ..3..2..2..2....1..2..2..0....3..2..0..2....3..2..0..2....2..3..0..3
%Y A241394 Column 4 of A241397.
%K A241394 nonn
%O A241394 1,1
%A A241394 _R. H. Hardin_, Apr 20 2014