cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A240044 Number of nX5 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero 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.

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%I A240044 #5 Jun 02 2025 09:39:08
%S A240044 8,33,174,1110,7514,61858,515675,4743056,45158204,453408919,
%T A240044 4712861517,51120946600,562235041667,6362903006738,71977060151899,
%U A240044 829848814960705,9503133899373343,110368341821576074
%N A240044 Number of nX5 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero 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.
%C A240044 Column 5 of A240046
%e A240044 Some solutions for n=3
%e A240044 ..3..2..3..3..2....3..2..2..2..2....2..3..2..2..2....3..2..2..2..3
%e A240044 ..2..1..1..2..0....2..0..0..0..3....3..0..1..1..3....2..1..1..3..0
%e A240044 ..2..0..3..0..0....2..1..1..1..3....2..1..1..1..0....3..1..1..2..0
%K A240044 nonn
%O A240044 1,1
%A A240044 _R. H. Hardin_, Mar 31 2014