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.

A358587 Number of n-node rooted trees of height equal to the number of internal (non-leaf) nodes.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 1
6 4
7 14
8 41
9 111
10 282
11 688
12 1627
13 3761
14 8540
15 19122
16 42333
17 92851
18 202078
19 436916
20 939359
21 2009781
22 4281696
23 9087670
24 19223905
25 40544951
26 85284194
27 178956984
28 374691171
29 782936761
30 1632982372
31 3400182458
32 7068800357
33 14674471611
34 30422685030

List of values

[0, 0, 0, 0, 1, 4, 14, 41, 111, 282, 688, 1627, 3761, 8540, 19122, 42333, 92851, 202078, 436916, 939359, 2009781, 4281696, 9087670, 19223905, 40544951, 85284194, 178956984, 374691171, 782936761, 1632982372, 3400182458, 7068800357, 14674471611, 30422685030]

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

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