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.

A364840 Numbers k such that the product of the first k primes - 1 is a semiprime.

Table of values

n a(n)
1 4
2 7
3 10
4 11
5 14
6 17
7 20
8 21
9 25
10 26
11 48
12 51
13 55
14 85
15 96
16 127
17 149
18 150
19 170

List of values

[4, 7, 10, 11, 14, 17, 20, 21, 25, 26, 48, 51, 55, 85, 96, 127, 149, 150, 170]