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.

A227811 Number of rooted identity trees with n nodes and exactly 7 subtrees from the root.

Table of values

n a(n)
25 3
26 20
27 88
28 334
29 1163
30 3756
31 11615
32 34655
33 100653
34 286033
35 798924
36 2199461
37 5983705
38 16115809
39 43036487
40 114089624
41 300554336
42 787451267
43 2053299653
44 5331645252
45 13793247146
46 35567344417
47 91447996464
48 234515163492
49 600012257027
50 1531951193292
51 3904053947702

List of values

[3, 20, 88, 334, 1163, 3756, 11615, 34655, 100653, 286033, 798924, 2199461, 5983705, 16115809, 43036487, 114089624, 300554336, 787451267, 2053299653, 5331645252, 13793247146, 35567344417, 91447996464, 234515163492, 600012257027, 1531951193292, 3904053947702]

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

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