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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.

A118376 Number of all trees of weight n, where nodes have positive integer weights and the sum of the weights of the children of a node is equal to the weight of the node.

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 112
6 568
7 3032
8 16768
9 95200
10 551616
11 3248704
12 19389824
13 117021824
14 712934784
15 4378663296
16 27081760768
17 168530142720
18 1054464293888
19 6629484729344
20 41860283723776
21 265346078982144
22 1687918305128448
23 10771600724946944
24 68941213290561536

List of values

[1, 2, 6, 24, 112, 568, 3032, 16768, 95200, 551616, 3248704, 19389824, 117021824, 712934784, 4378663296, 27081760768, 168530142720, 1054464293888, 6629484729344, 41860283723776, 265346078982144, 1687918305128448, 10771600724946944, 68941213290561536]

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

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