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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.

A245125 Number of n-node rooted identity trees with thinning limbs and root outdegree (branching factor) 6.

Table of values

n a(n)
20 2
21 6
22 23
23 60
24 162
25 397
26 960
27 2223
28 5085
29 11355
30 25088
31 54654
32 118051
33 252601
34 536973
35 1133925
36 2382281
37 4980512
38 10370545
39 21512821
40 44483291
41 91708748
42 188580249
43 386854596
44 791909788
45 1617922147
46 3299701619
47 6718766927
48 13660421145
49 27736326713
50 56246087592

List of values

[2, 6, 23, 60, 162, 397, 960, 2223, 5085, 11355, 25088, 54654, 118051, 252601, 536973, 1133925, 2382281, 4980512, 10370545, 21512821, 44483291, 91708748, 188580249, 386854596, 791909788, 1617922147, 3299701619, 6718766927, 13660421145, 27736326713, 56246087592]

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

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