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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.

A293920 Number of linear chord diagrams having n chords and minimal chord length seven.

Table of values

n a(n)
7 1
8 159
9 7564
10 245964
11 6996588
12 193799140
13 5489211751
14 162272284974
15 5047554996855
16 165595774518042
17 5728636935767404
18 208700950019470460
19 7993330299623656154
20 321268248361695869991
21 13525506763517368392668
22 595415097485805608016210
23 27361311228606445955339071

List of values

[1, 159, 7564, 245964, 6996588, 193799140, 5489211751, 162272284974, 5047554996855, 165595774518042, 5728636935767404, 208700950019470460, 7993330299623656154, 321268248361695869991, 13525506763517368392668, 595415097485805608016210, 27361311228606445955339071]

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

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