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.

A268959 Number of length-(n+5) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.

Table of values

n a(n)
1 11
2 201
3 1830
4 12634
5 78930
6 485726
7 3068890
8 20245176
9 140084705
10 1016152035
11 7710817964
12 61062125594
13 503482001606
14 4313580168256
15 38328589616502
16 352618806519480
17 3353663975679253
18 32927374587977757
19 333319732346331654

List of values

[11, 201, 1830, 12634, 78930, 485726, 3068890, 20245176, 140084705, 1016152035, 7710817964, 61062125594, 503482001606, 4313580168256, 38328589616502, 352618806519480, 3353663975679253, 32927374587977757, 333319732346331654]

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

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