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.

A303196 Number of n X 7 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 21
2 185
3 233
4 687
5 7425
6 34801
7 164295
8 1053249
9 5803057
10 30459340
11 175958088
12 988572609
13 5409436965
14 30475463803
15 171059829077
16 949886716408
17 5320086247758
18 29806428448927
19 166317770692219
20 930326534497792

List of values

[21, 185, 233, 687, 7425, 34801, 164295, 1053249, 5803057, 30459340, 175958088, 988572609, 5409436965, 30475463803, 171059829077, 949886716408, 5320086247758, 29806428448927, 166317770692219, 930326534497792]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.