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.

A010372 Number of unrooted quartic trees with n (unlabeled) nodes and possessing a centroid; number of n-carbon alkanes C(n)H(2n +2) with a centroid ignoring stereoisomers.

Table of values

n a(n)
1 1
2 0
3 1
4 1
5 3
6 2
7 9
8 8
9 35
10 39
11 159
12 202
13 802
14 1078
15 4347
16 6354
17 24894
18 38157
19 148284
20 237541
21 910726
22 1511717
23 5731580
24 9816092
25 36797588
26 64658432
27 240215803
28 431987953
29 1590507121
30 2917928218
31 10660307791
32 19910436898

List of values

[1, 0, 1, 1, 3, 2, 9, 8, 35, 39, 159, 202, 802, 1078, 4347, 6354, 24894, 38157, 148284, 237541, 910726, 1511717, 5731580, 9816092, 36797588, 64658432, 240215803, 431987953, 1590507121, 2917928218, 10660307791, 19910436898]

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

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