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.

A269770 Number of length-n 0..n arrays with every repeated value unequal to the previous repeated value plus one mod n+1.

Table of values

n a(n)
1 2
2 9
3 64
4 620
5 7680
6 115920
7 2063880
8 42342912
9 983566800
10 25515160000
11 731128554024
12 22934195241984
13 781644611944014
14 28761550510694400
15 1136386416816000000
16 47984229920230342656
17 2156419762355192954760

List of values

[2, 9, 64, 620, 7680, 115920, 2063880, 42342912, 983566800, 25515160000, 731128554024, 22934195241984, 781644611944014, 28761550510694400, 1136386416816000000, 47984229920230342656, 2156419762355192954760]

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

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