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.

A300652 Number of enriched p-trees of weight 2n + 1 in which all outdegrees and all leaves are odd.

Table of values

n a(n)
0 1
1 2
2 4
3 12
4 40
5 136
6 496
7 1952
8 7488
9 30368
10 123456
11 512384
12 2129664
13 9068672
14 38391552
15 165642752
16 713405952
17 3109135872
18 13528865792
19 59591322624
20 261549260800
21 1159547047936
22 5131968999424
23 22883893137408
24 101851069587456
25 456703499042816
26 2042949493276672

List of values

[1, 2, 4, 12, 40, 136, 496, 1952, 7488, 30368, 123456, 512384, 2129664, 9068672, 38391552, 165642752, 713405952, 3109135872, 13528865792, 59591322624, 261549260800, 1159547047936, 5131968999424, 22883893137408, 101851069587456, 456703499042816, 2042949493276672]

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

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