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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.

A359970 Number of edges formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.

Table of values

n a(n)
1 3
2 10
3 84
4 433
5 3264
6 7357
7 37065
8 86441
9 232975
10 405510
11 1210898
12 1773121
13 4500787
14 6774404
15 10997356

List of values

[3, 10, 84, 433, 3264, 7357, 37065, 86441, 232975, 405510, 1210898, 1773121, 4500787, 6774404, 10997356]

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

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