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.

A055365 Number of asymmetric mobiles (circular rooted trees) with n nodes and 4 leaves.

Table of values

n a(n)
6 1
7 5
8 19
9 53
10 130
11 280
12 556
13 1024
14 1788
15 2971
16 4752
17 7338
18 11013
19 16099
20 23020
21 32249
22 44390
23 60109
24 80234
25 105670
26 137520
27 176979
28 225479
29 284562
30 356049
31 441890
32 544360
33 665883
34 809258
35 977455
36 1173871
37 1402098
38 1666212
39 1970508
40 2319825
41 2719248
42 3174469

List of values

[1, 5, 19, 53, 130, 280, 556, 1024, 1788, 2971, 4752, 7338, 11013, 16099, 23020, 32249, 44390, 60109, 80234, 105670, 137520, 176979, 225479, 284562, 356049, 441890, 544360, 665883, 809258, 977455, 1173871, 1402098, 1666212, 1970508, 2319825, 2719248, 3174469]

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

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