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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.

A359653 Number of regions formed in a square with edge length 1 by straight line segments when connecting the internal edge points that divide the sides into segments with lengths equal to the Farey series of order n to the equivalent points on the opposite side of the square.

Table of values

n a(n)
1 1
2 4
3 96
4 728
5 7840
6 17744
7 104136
8 246108
9 681704
10 1187200
11 3719496
12 5396692
13 14149896

List of values

[1, 4, 96, 728, 7840, 17744, 104136, 246108, 681704, 1187200, 3719496, 5396692, 14149896]

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

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