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.

A269213 Number of nX7 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.

Table of values

n a(n)
1 5832
2 2546304
3 1012764384
4 354189986208
5 116322554833728
6 36713945487331392
7 11273191243423937904
8 3392211859561264876416
9 1005065652737890110097824
10 294164506851983123928014976
11 85246917739611183231260455872

List of values

[5832, 2546304, 1012764384, 354189986208, 116322554833728, 36713945487331392, 11273191243423937904, 3392211859561264876416, 1005065652737890110097824, 294164506851983123928014976, 85246917739611183231260455872]