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.

A128420 Numbers n such that p(n)# + p(n+1)# -1 is prime, where p(n)# is the product of first n primes (A002110).

Table of values

n a(n)
1 0
2 1
3 3
4 6
5 8
6 10
7 12
8 37
9 72
10 92
11 142
12 295
13 1529
14 1625
15 1914
16 2276
17 4423

List of values

[0, 1, 3, 6, 8, 10, 12, 37, 72, 92, 142, 295, 1529, 1625, 1914, 2276, 4423]