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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.

A128657 Numbers k such that p(k+1)# - p(k)# - 1 is prime where p(i)# = product of first i primes = A002110(i).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 8
6 24
7 35
8 56
9 79
10 132
11 281
12 342
13 631
14 1350
15 4929
16 5952
17 8128

List of values

[1, 2, 3, 4, 8, 24, 35, 56, 79, 132, 281, 342, 631, 1350, 4929, 5952, 8128]

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

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