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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.

A293963 Number of linear chord diagrams having 2n chords and maximal chord length n, a(0)=1.

Table of values

n a(n)
0 1
1 1
2 10
3 300
4 18186
5 1838508
6 278873238
7 59240617044
8 16785089537034
9 6116748053227032
10 2787180218661133026
11 1552687010566633714620
12 1038232662085139704575042
13 820642288423711927490012112
14 756912885595843667978969686938
15 805677646550729982087279165847716

List of values

[1, 1, 10, 300, 18186, 1838508, 278873238, 59240617044, 16785089537034, 6116748053227032, 2787180218661133026, 1552687010566633714620, 1038232662085139704575042, 820642288423711927490012112, 756912885595843667978969686938, 805677646550729982087279165847716]

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

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