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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.

A065899 a(n) is the index of the n-th compositorial number, A036691(n), in the sequence of composites (A002808).

Table of values

n a(n)
1 1
2 14
3 148
4 1458
5 15293
6 188782
7 2692726
8 40909988
9 660637057
10 11976280879
11 240871231369
12 5080851687840
13 112183659405198
14 2700581280109040
15 67686358108129808
16 1763651979163805444
17 47707175694652299653
18 1337959106215345951164
19 40196133912310028013721
20 1287910861213828031657392

List of values

[1, 14, 148, 1458, 15293, 188782, 2692726, 40909988, 660637057, 11976280879, 240871231369, 5080851687840, 112183659405198, 2700581280109040, 67686358108129808, 1763651979163805444, 47707175694652299653, 1337959106215345951164, 40196133912310028013721, 1287910861213828031657392]

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

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