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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.

A129978 Numbers k such that A120265(k) = numerator(Sum_{j=1..k} 1/j!) is a prime.

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 12
8 16
9 19
10 21
11 22
12 25
13 41
14 114
15 181
16 236
17 2003
18 6138

List of values

[2, 3, 4, 5, 6, 7, 12, 16, 19, 21, 22, 25, 41, 114, 181, 236, 2003, 6138]

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

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