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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.

A135456 Number of surjections from an n-element set onto a seven-element set.

Table of values

n a(n)
7 5040
8 141120
9 2328480
10 29635200
11 322494480
12 3162075840
13 28805736960
14 248619571200
15 2060056318320
16 16540688324160
17 129568848121440
18 995210916336000
19 7524340159588560
20 56163512390086080
21 414847224363337920

List of values

[5040, 141120, 2328480, 29635200, 322494480, 3162075840, 28805736960, 248619571200, 2060056318320, 16540688324160, 129568848121440, 995210916336000, 7524340159588560, 56163512390086080, 414847224363337920]

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

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