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.

A244435 a(n) is the smallest number m such that 2*k*m - 1 is composite for all k, 0 < k < n+1.

Table of values

n a(n)
1 5
2 13
3 13
4 62
5 73
6 73
7 89
8 118
9 118
10 118
11 118
12 118
13 236
14 926
15 959
16 959
17 959
18 959
19 959
20 959
21 1063
22 1474
23 1474
24 1474
25 1667
26 1667
27 6118
28 8249
29 9098
30 9098
31 9098
32 9098
33 9098
34 9098
35 9098
36 9098
37 9098
38 9098
39 9098
40 9098
41 9098
42 9098
43 9098
44 35573
45 35573
46 35573
47 57448
48 57448
49 57448
50 57448
51 57448
52 57448
53 57448

List of values

[5, 13, 13, 62, 73, 73, 89, 118, 118, 118, 118, 118, 236, 926, 959, 959, 959, 959, 959, 959, 1063, 1474, 1474, 1474, 1667, 1667, 6118, 8249, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 9098, 35573, 35573, 35573, 57448, 57448, 57448, 57448, 57448, 57448, 57448]