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.

A191662 a(n) = n! / A000034(n-1).

Table of values

n a(n)
1 1
2 1
3 6
4 12
5 120
6 360
7 5040
8 20160
9 362880
10 1814400
11 39916800
12 239500800
13 6227020800
14 43589145600
15 1307674368000
16 10461394944000
17 355687428096000
18 3201186852864000
19 121645100408832000
20 1216451004088320000
21 51090942171709440000
22 562000363888803840000

List of values

[1, 1, 6, 12, 120, 360, 5040, 20160, 362880, 1814400, 39916800, 239500800, 6227020800, 43589145600, 1307674368000, 10461394944000, 355687428096000, 3201186852864000, 121645100408832000, 1216451004088320000, 51090942171709440000, 562000363888803840000]

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

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