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.

A055366 Number of asymmetric mobiles (circular rooted trees) with n nodes and 5 leaves.

Table of values

n a(n)
7 1
8 7
9 31
10 109
11 321
12 833
13 1951
14 4212
15 8498
16 16205
17 29449
18 51349
19 86363
20 140731
21 222986
22 344607
23 520758
24 771208
25 1121360
26 1603501
27 2258188
28 3135900
29 4298854
30 5823139
31 7801042
32 10343750
33 13584274
34 17680810
35 22820358
36 29222841

List of values

[1, 7, 31, 109, 321, 833, 1951, 4212, 8498, 16205, 29449, 51349, 86363, 140731, 222986, 344607, 520758, 771208, 1121360, 1603501, 2258188, 3135900, 4298854, 5823139, 7801042, 10343750, 13584274, 17680810, 22820358, 29222841]

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

Content is available under The OEIS End-User License Agreement.