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.

A320296 Number of series-reduced rooted trees whose leaves form an integer partition of n with no 1's.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 2
6 5
7 6
8 15
9 22
10 51
11 86
12 195
13 354
14 781
15 1512
16 3286
17 6602
18 14269
19 29424
20 63494
21 133298
22 287909
23 612188
24 1325375
25 2844448
26 6176145
27 13348858
28 29074164
29 63187176
30 138044144
31 301350424
32 660265471
33 1446678326
34 3178246273
35 6985464590
36 15384556290

List of values

[0, 1, 1, 2, 2, 5, 6, 15, 22, 51, 86, 195, 354, 781, 1512, 3286, 6602, 14269, 29424, 63494, 133298, 287909, 612188, 1325375, 2844448, 6176145, 13348858, 29074164, 63187176, 138044144, 301350424, 660265471, 1446678326, 3178246273, 6985464590, 15384556290]