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.

A233245 Number of 7Xn 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

n a(n)
1 6896
2 53692063
3 633724470764
4 7415057313896849
5 86961450397919224924
6 1019972250198681748495759
7 11963921132630138069523033663
8 140334092336070663237513533114112
9 1646091578322294419786739964245190052

List of values

[6896, 53692063, 633724470764, 7415057313896849, 86961450397919224924, 1019972250198681748495759, 11963921132630138069523033663, 140334092336070663237513533114112, 1646091578322294419786739964245190052]