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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.

A331114 Number of rooted trees with 2-colored non-root nodes with an n nodes of each color.

Table of values

n a(n)
0 1
1 3
2 37
3 596
4 11513
5 245356
6 5597060
7 133950215
8 3323281496
9 84787933926
10 2212123329500
11 58779046239904
12 1585796125188065
13 43337540217740908
14 1197492197496481744
15 33406620056723507124
16 939775084670916268134
17 26632926871927867655261
18 759732892913483065912296

List of values

[1, 3, 37, 596, 11513, 245356, 5597060, 133950215, 3323281496, 84787933926, 2212123329500, 58779046239904, 1585796125188065, 43337540217740908, 1197492197496481744, 33406620056723507124, 939775084670916268134, 26632926871927867655261, 759732892913483065912296]

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

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