cp's OEIS Frontend

A240050 Number of 5 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the 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 A240050 #8 Jun 26 2025 13:21:26
%S A240050 8,50,309,1496,7514,55034,236282,1248277,6431987,29170979,155931126,
%T A240050 801190472,4068998418,19619747500,103973075128,508889855031,
%U A240050 2476317886402,12705627199443,63280997191424,313215400063102
%N A240050 Number of 5 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the 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.
%C A240050 Row 5 of A240046.
%H A240050 R. H. Hardin, <a href="/A240050/b240050.txt">Table of n, a(n) for n = 1..23</a>
%e A240050 Some solutions for n=3
%e A240050 ..3..2..2....2..3..2....3..2..2....2..3..2....3..2..2....3..2..2....3..2..2
%e A240050 ..2..0..3....1..0..0....2..0..3....1..0..0....2..0..3....2..0..0....2..0..0
%e A240050 ..2..3..0....2..0..3....2..3..0....1..0..0....2..3..2....2..3..0....2..3..0
%e A240050 ..2..3..3....3..1..3....2..3..2....3..2..3....1..0..0....2..0..3....1..3..3
%e A240050 ..2..1..2....3..1..2....3..1..2....1..2..0....2..0..0....2..3..3....1..2..2
%Y A240050 Cf. A240046.
%K A240050 nonn
%O A240050 1,1
%A A240050 _R. H. Hardin_, Mar 31 2014