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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.

A316656 Number of series-reduced rooted identity trees whose leaves span an initial interval of positive integers with multiplicities the integer partition with Heinz number n.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 0
6 1
7 0
8 4
9 3
10 1
11 0
12 9
13 0
14 1
15 6
16 26
17 0
18 36
19 0
20 16
21 10
22 1
23 0
24 92
25 21
26 1
27 197
28 25
29 0
30 100
31 0
32 236
33 15
34 1
35 53
36 474

List of values

[0, 1, 0, 1, 0, 1, 0, 4, 3, 1, 0, 9, 0, 1, 6, 26, 0, 36, 0, 16, 10, 1, 0, 92, 21, 1, 197, 25, 0, 100, 0, 236, 15, 1, 53, 474]

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

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