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.

A241281 Number of nX5 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.

Table of values

n a(n)
1 10
2 17
3 224
4 1800
5 20717
6 309657
7 5423164
8 113305157
9 2759021846
10 75062814060
11 2194626322280
12 66941258995665
13 2089883847033445
14 66049038598082087
15 2100649576601196394
16 67025504140569165794

List of values

[10, 17, 224, 1800, 20717, 309657, 5423164, 113305157, 2759021846, 75062814060, 2194626322280, 66941258995665, 2089883847033445, 66049038598082087, 2100649576601196394, 67025504140569165794]