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.

A110930 a(1) = 1; a(n) = nextprime(2*a(n-1)) for n > 1.

Table of values

n a(n)
1 1
2 3
3 7
4 17
5 37
6 79
7 163
8 331
9 673
10 1361
11 2729
12 5471
13 10949
14 21911
15 43853
16 87719
17 175447
18 350899
19 701819
20 1403641
21 2807303
22 5614657
23 11229331
24 22458671
25 44917381
26 89834777
27 179669557
28 359339171
29 718678369
30 1437356741
31 2874713497

List of values

[1, 3, 7, 17, 37, 79, 163, 331, 673, 1361, 2729, 5471, 10949, 21911, 43853, 87719, 175447, 350899, 701819, 1403641, 2807303, 5614657, 11229331, 22458671, 44917381, 89834777, 179669557, 359339171, 718678369, 1437356741, 2874713497]