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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.

A240682 Number of forests with n labeled nodes and 5 trees.

Table of values

n a(n)
5 1
6 15
7 210
8 3220
9 55755
10 1092105
11 24048255
12 590412240
13 16027796070
14 477411574640
15 15495339234375
16 544652100894720
17 20619226977792170
18 836670560604157440
19 36232055577668433690
20 1668081561600000000000
21 81363801140161673297535
22 4191692026268767965880320

List of values

[1, 15, 210, 3220, 55755, 1092105, 24048255, 590412240, 16027796070, 477411574640, 15495339234375, 544652100894720, 20619226977792170, 836670560604157440, 36232055577668433690, 1668081561600000000000, 81363801140161673297535, 4191692026268767965880320]

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

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