cp's OEIS Frontend

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.

A233694 Position of n in the sequence (or tree) S generated in order by these rules: 0 is in S; if x is in S then x + 1 is in S; if nonzero x is in S then 1/x is in S; if x is in S, then i*x is in S; where duplicates are deleted as they occur.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 11
5 23
6 49
7 102
8 212
9 443
10 926
11 1939
12 4064
13 8509
14 17816
15 37303
16 78105
17 163544
18 342454
19 717076
20 1501502
21 3144024
22 6583334
23 13784969

List of values

[1, 2, 3, 5, 11, 23, 49, 102, 212, 443, 926, 1939, 4064, 8509, 17816, 37303, 78105, 163544, 342454, 717076, 1501502, 3144024, 6583334, 13784969]

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

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