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.

A018241 Number of simple allowable sequences on 1..n.

Table of values

n a(n)
1 1
2 1
3 2
4 32
5 4608
6 7028736
7 132089118720
8 34998332896051200
9 147462169661142781132800
10 11008782516353752266715850342400
11 16061608070479103314001351327405309952000
12 500842967990688435516159987675099451681186775040000

List of values

[1, 1, 2, 32, 4608, 7028736, 132089118720, 34998332896051200, 147462169661142781132800, 11008782516353752266715850342400, 16061608070479103314001351327405309952000, 500842967990688435516159987675099451681186775040000]

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

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