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.

A320160 Number of series-reduced balanced rooted trees whose leaves form an integer partition of n.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 9
6 19
7 31
8 63
9 110
10 215
11 391
12 773
13 1451
14 2879
15 5594
16 11173
17 22041
18 44136
19 87631
20 175155
21 348186
22 694013
23 1378911
24 2743955
25 5452833
26 10853541
27 21610732
28 43122952
29 86192274
30 172753293
31 347114772
32 699602332
33 1414033078
34 2866580670
35 5826842877
36 11874508385

List of values

[1, 2, 3, 6, 9, 19, 31, 63, 110, 215, 391, 773, 1451, 2879, 5594, 11173, 22041, 44136, 87631, 175155, 348186, 694013, 1378911, 2743955, 5452833, 10853541, 21610732, 43122952, 86192274, 172753293, 347114772, 699602332, 1414033078, 2866580670, 5826842877, 11874508385]

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

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