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.

A269603 Number of length-n 0..5 arrays with no repeated value differing from the previous repeated value by one or less.

Table of values

n a(n)
1 6
2 36
3 210
4 1220
5 7030
6 40288
7 229754
8 1304934
9 7385898
10 41679780
11 234601902
12 1317558578
13 7385249086
14 41325945826
15 230904832646
16 1288466651340
17 7181415415962
18 39985405920156
19 222432351559566
20 1236355637246456

List of values

[6, 36, 210, 1220, 7030, 40288, 229754, 1304934, 7385898, 41679780, 234601902, 1317558578, 7385249086, 41325945826, 230904832646, 1288466651340, 7181415415962, 39985405920156, 222432351559566, 1236355637246456]

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

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