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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.

A292772 a(n) = cardinality of a certain set of natural numbers defined using A117818.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 6
5 8
6 12
7 18
8 25
9 38
10 56
11 89
12 138
13 218
14 342
15 547
16 882
17 1429
18 2299
19 3705
20 5961
21 9615
22 15524
23 25057
24 40442
25 65247
26 105412
27 170224
28 274963
29 44156
30 717551
31 1159406
32 1873356

List of values

[1, 2, 3, 4, 6, 8, 12, 18, 25, 38, 56, 89, 138, 218, 342, 547, 882, 1429, 2299, 3705, 5961, 9615, 15524, 25057, 40442, 65247, 105412, 170224, 274963, 44156, 717551, 1159406, 1873356]

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

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