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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.

A365061 a(n) is the number of endofunctions on an n-set where there is a single element with a preimage of maximum cardinality.

Table of values

n a(n)
1 1
2 2
3 21
4 196
5 2105
6 27636
7 451003
8 8938056
9 207358929
10 5451691060
11 158802143621
12 5051104945272
13 173783789845861
14 6424902913267216
15 253983495283150095
16 10692693172088104336
17 477787129703211313697
18 22591854186020941025268
19 1127404525137567577764013

List of values

[1, 2, 21, 196, 2105, 27636, 451003, 8938056, 207358929, 5451691060, 158802143621, 5051104945272, 173783789845861, 6424902913267216, 253983495283150095, 10692693172088104336, 477787129703211313697, 22591854186020941025268, 1127404525137567577764013]

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

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