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.

Table of values

n a(n)
1 8
2 33
3 174
4 1110
5 7514
6 61858
7 515675
8 4743056
9 45158204
10 453408919
11 4712861517
12 51120946600
13 562235041667
14 6362903006738
15 71977060151899
16 829848814960705
17 9503133899373343
18 110368341821576074

List of values

[8, 33, 174, 1110, 7514, 61858, 515675, 4743056, 45158204, 453408919, 4712861517, 51120946600, 562235041667, 6362903006738, 71977060151899, 829848814960705, 9503133899373343, 110368341821576074]