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.

A051169 Smallest number m such that 2*m - p is composite for the first n primes p.

Table of values

n a(n)
1 3
2 6
3 15
4 49
5 49
6 49
7 49
8 110
9 154
10 154
11 278
12 278
13 278
14 278
15 496
16 496
17 496
18 496
19 496
20 496
21 1321
22 1321
23 1321
24 1321
25 1321
26 1321
27 2686
28 2686
29 2686
30 2686
31 2686
32 2686
33 2686
34 3713
35 3713
36 3713
37 3713
38 3713
39 3713
40 21766
41 21766
42 21766
43 21766
44 21766
45 21766
46 21766

List of values

[3, 6, 15, 49, 49, 49, 49, 110, 154, 154, 278, 278, 278, 278, 496, 496, 496, 496, 496, 496, 1321, 1321, 1321, 1321, 1321, 1321, 2686, 2686, 2686, 2686, 2686, 2686, 2686, 3713, 3713, 3713, 3713, 3713, 3713, 21766, 21766, 21766, 21766, 21766, 21766, 21766]

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

Content is available under The OEIS End-User License Agreement.