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.

A005118 Number of simple allowable sequences on 1..n containing the permutation 12...n.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 16
5 768
6 292864
7 1100742656
8 48608795688960
9 29258366996258488320
10 273035280663535522487992320
11 44261486084874072183645699204710400
12 138018895500079485095943559213817088756940800

List of values

[1, 1, 1, 2, 16, 768, 292864, 1100742656, 48608795688960, 29258366996258488320, 273035280663535522487992320, 44261486084874072183645699204710400, 138018895500079485095943559213817088756940800]

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

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