cp's OEIS Frontend

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.

A244704 Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 3.

Table of values

n a(n)
4 1
5 1
6 3
7 6
8 13
9 25
10 55
11 107
12 224
13 454
14 938
15 1916
16 3969
17 8163
18 16918
19 35010
20 72724
21 151093
22 314749
23 656115
24 1370348
25 2864948
26 5998547
27 12572884
28 26385837
29 55431031
30 116577538
31 245415158
32 517152607
33 1090771973
34 2302729115
35 4865449045
36 10288826434
37 21774842539

List of values

[1, 1, 3, 6, 13, 25, 55, 107, 224, 454, 938, 1916, 3969, 8163, 16918, 35010, 72724, 151093, 314749, 656115, 1370348, 2864948, 5998547, 12572884, 26385837, 55431031, 116577538, 245415158, 517152607, 1090771973, 2302729115, 4865449045, 10288826434, 21774842539]

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

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