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.

A304867 Number of non-isomorphic hypertrees of weight n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 5
7 6
8 13
9 20
10 41
11 70
12 144
13 266
14 545
15 1072
16 2210
17 4491
18 9388
19 19529
20 41286
21 87361
22 186657
23 399927
24 862584
25 1866461
26 4058367
27 8852686
28 19384258
29 42570435
30 93783472
31 207157172
32 458805044
33 1018564642
34 2266475432
35 5053991582
36 11292781891
37 25280844844

List of values

[1, 1, 1, 1, 2, 2, 5, 6, 13, 20, 41, 70, 144, 266, 545, 1072, 2210, 4491, 9388, 19529, 41286, 87361, 186657, 399927, 862584, 1866461, 4058367, 8852686, 19384258, 42570435, 93783472, 207157172, 458805044, 1018564642, 2266475432, 5053991582, 11292781891, 25280844844]

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

Content is available under The OEIS End-User License Agreement.