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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.

A245152 Number of n-node unlabeled rooted trees with thickening limbs.

Table of values

n a(n)
1 1
2 1
3 2
4 3
5 5
6 7
7 12
8 17
9 28
10 42
11 69
12 105
13 176
14 275
15 460
16 740
17 1244
18 2030
19 3440
20 5695
21 9688
22 16243
23 27758
24 46948
25 80610
26 137401
27 236796
28 406258
29 702720
30 1211954
31 2103536
32 3644413
33 6344632
34 11035287
35 19265731
36 33621510
37 58848963
38 103003059
39 180712466
40 317122290

List of values

[1, 1, 2, 3, 5, 7, 12, 17, 28, 42, 69, 105, 176, 275, 460, 740, 1244, 2030, 3440, 5695, 9688, 16243, 27758, 46948, 80610, 137401, 236796, 406258, 702720, 1211954, 2103536, 3644413, 6344632, 11035287, 19265731, 33621510, 58848963, 103003059, 180712466, 317122290]

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

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