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.

A324445 Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals one.

Table of values

n a(n)
1 1
2 2
3 11
4 74
5 652
6 7069
7 90946
8 1353554
9 22870541
10 432424178
11 9044698456
12 207336529399
13 5168830168426
14 139221843251594
15 4028994710377547
16 124670425690921634
17 4107486007743301396
18 143555848444786921189
19 5304751937400100397626
20 206646474536314180818218

List of values

[1, 2, 11, 74, 652, 7069, 90946, 1353554, 22870541, 432424178, 9044698456, 207336529399, 5168830168426, 139221843251594, 4028994710377547, 124670425690921634, 4107486007743301396, 143555848444786921189, 5304751937400100397626, 206646474536314180818218]

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

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