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.

A085725 Numbers k such that 1 + (product of first k primes) is a semiprime.

Table of values

n a(n)
1 6
2 8
3 9
4 14
5 18
6 19
7 21
8 23
9 26
10 34
11 36
12 40
13 48
14 54
15 76
16 88
17 105
18 122
19 135

List of values

[6, 8, 9, 14, 18, 19, 21, 23, 26, 34, 36, 40, 48, 54, 76, 88, 105, 122, 135]