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.

A179455 Triangle read by rows: number of permutation trees of power n and height <= k + 1.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 1
5 5
6 6
7 1
8 15
9 23
10 24
11 1
12 52
13 106
14 119
15 120
16 1
17 203
18 568
19 700
20 719
21 720
22 1
23 877
24 3459
25 4748
26 5013
27 5039
28 5040
29 1
30 4140
31 23544
32 36403
33 39812
34 40285
35 40319
36 40320
37 1
38 21147
39 176850
40 310851
41 354391
42 362057
43 362836
44 362879
45 362880

List of values

[1, 1, 1, 2, 1, 5, 6, 1, 15, 23, 24, 1, 52, 106, 119, 120, 1, 203, 568, 700, 719, 720, 1, 877, 3459, 4748, 5013, 5039, 5040, 1, 4140, 23544, 36403, 39812, 40285, 40319, 40320, 1, 21147, 176850, 310851, 354391, 362057, 362836, 362879, 362880]