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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.

A256174 Boomerang Fractions: Starting with 1, on the first step add 1/n, and on subsequent steps either add 1/n or take the reciprocal. a(n) = minimal number of steps needed to return to 1.

Table of values

n a(n)
2 4
3 9
4 7
5 20
6 6
7 33
8 13
9 23
10 16
11 62
12 8
13 75
14 18
15 17
16 25

List of values

[4, 9, 7, 20, 6, 33, 13, 23, 16, 62, 8, 75, 18, 17, 25]

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

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