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.

A266135 Number of 5Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors exactly one smaller than itself.

Table of values

n a(n)
1 1
2 189
3 2099
4 4336
5 62104
6 1285961
7 16386099
8 124675418
9 1670106261
10 27030614673
11 364728678843
12 4110151431884
13 55582288536407
14 820578817704699
15 11258792567726911
16 142486826279283951
17 1934013157303232327

List of values

[1, 189, 2099, 4336, 62104, 1285961, 16386099, 124675418, 1670106261, 27030614673, 364728678843, 4110151431884, 55582288536407, 820578817704699, 11258792567726911, 142486826279283951, 1934013157303232327]

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

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