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.

A230518 Smallest prime p = a(n) such that the sum of p and the next prime has n distinct prime factors.

Table of values

n a(n)
1 2
2 5
3 13
4 103
5 1783
6 15013
7 285283
8 9699667
9 140645501
10 4127218087
11 100280245063
12 5625398263453
13 202666375276361
14 11602324073775431
15 438272504610946003
16 21828587281891445047
17 1156915125940246587913
18 66595945348137856405747
19 4632891063696575353839163

List of values

[2, 5, 13, 103, 1783, 15013, 285283, 9699667, 140645501, 4127218087, 100280245063, 5625398263453, 202666375276361, 11602324073775431, 438272504610946003, 21828587281891445047, 1156915125940246587913, 66595945348137856405747, 4632891063696575353839163]

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

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