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.

A268900 Number of n X 4 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

n a(n)
1 36
2 696
3 9720
4 118584
5 1347192
6 14644152
7 154472184
8 1594323000
9 16185567096
10 162200044728
11 1608569870328
12 15816054042936
13 154394813276280
14 1498006261495224
15 14458132831535352
16 138907883786523192

List of values

[36, 696, 9720, 118584, 1347192, 14644152, 154472184, 1594323000, 16185567096, 162200044728, 1608569870328, 15816054042936, 154394813276280, 1498006261495224, 14458132831535352, 138907883786523192]