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.

A332650 Number of polygonal cacti on 2n-1 unlabeled nodes with every polygon having an odd prime number of edges.

Table of values

n a(n)
1 1
2 1
3 2
4 4
5 10
6 30
7 105
8 400
9 1654
10 7229
11 32944
12 154749
13 744973
14 3655993
15 18232812
16 92162974
17 471301437
18 2434542190
19 12687850499
20 66646225443
21 352548333438
22 1876770716627
23 10048289587337
24 54079948967654
25 292447643655469
26 1588388448970674
27 8661869330014601

List of values

[1, 1, 2, 4, 10, 30, 105, 400, 1654, 7229, 32944, 154749, 744973, 3655993, 18232812, 92162974, 471301437, 2434542190, 12687850499, 66646225443, 352548333438, 1876770716627, 10048289587337, 54079948967654, 292447643655469, 1588388448970674, 8661869330014601]

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

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