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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.

A319369 Number of series-reduced rooted trees with n leaves of n colors.

Table of values

n a(n)
1 1
2 3
3 28
4 430
5 9376
6 269675
7 9632960
8 411395268
9 20445999734
10 1159248404721
11 73846864163348
12 5221802726902476
13 405858598184643930
14 34392275731729465799
15 3155760058245300968416
16 311720334688779807141832
17 32980137195294216968253900
18 3720954854814866649904474180

List of values

[1, 3, 28, 430, 9376, 269675, 9632960, 411395268, 20445999734, 1159248404721, 73846864163348, 5221802726902476, 405858598184643930, 34392275731729465799, 3155760058245300968416, 311720334688779807141832, 32980137195294216968253900, 3720954854814866649904474180]

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

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