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.

A263682 Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and with no two consecutive decreases.

Table of values

n a(n)
1 1
2 2
3 5
4 17
5 70
6 349
7 2017
8 13358
9 85403
10 514631
11 2892717
12 15496398
13 80361985
14 412478090
15 2110690179
16 10938840527
17 57413943808
18 304300790810
19 1621734608963
20 8661768091020
21 46243202420814
22 246483106624494
23 1310659258937117

List of values

[1, 2, 5, 17, 70, 349, 2017, 13358, 85403, 514631, 2892717, 15496398, 80361985, 412478090, 2110690179, 10938840527, 57413943808, 304300790810, 1621734608963, 8661768091020, 46243202420814, 246483106624494, 1310659258937117]

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

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