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.

A187554 Odd nonprimes n such that n+d+1 is prime for all divisors d of n.

Table of values

n a(n)
1 1
2 9
3 35
4 39
5 65
6 125
7 749
8 755
9 905
10 935
11 989
12 1469
13 1829
14 1859
15 2519
16 3161
17 4269
18 4859
19 5165
20 5699
21 6005
22 7319
23 8309
24 8759
25 9155
26 9869
27 11129
28 12819
29 12851
30 14141
31 14279
32 15539
33 15899
34 18689
35 19859
36 20019
37 25115
38 25535
39 26679
40 28049

List of values

[1, 9, 35, 39, 65, 125, 749, 755, 905, 935, 989, 1469, 1829, 1859, 2519, 3161, 4269, 4859, 5165, 5699, 6005, 7319, 8309, 8759, 9155, 9869, 11129, 12819, 12851, 14141, 14279, 15539, 15899, 18689, 19859, 20019, 25115, 25535, 26679, 28049]