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.

A336115 Semiprimes that are product of a Fermat prime and a Mersenne prime.

Table of values

n a(n)
1 9
2 15
3 21
4 35
5 51
6 93
7 119
8 155
9 381
10 527
11 635
12 771
13 1799
14 2159
15 7967
16 24573
17 32639
18 40955
19 139247
20 196611
21 393213
22 458759
23 655355
24 1572861
25 2031647
26 2105087
27 2228207
28 2621435
29 8323199
30 8912879
31 33685247
32 134741759
33 536813567
34 6442450941
35 8590000127
36 10737418235

List of values

[9, 15, 21, 35, 51, 93, 119, 155, 381, 527, 635, 771, 1799, 2159, 7967, 24573, 32639, 40955, 139247, 196611, 393213, 458759, 655355, 1572861, 2031647, 2105087, 2228207, 2621435, 8323199, 8912879, 33685247, 134741759, 536813567, 6442450941, 8590000127, 10737418235]