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.

A214120 Number of Proth primes < 2^n.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 7
8 9
9 12
10 17
11 21
12 27
13 33
14 50
15 62
16 84
17 110
18 148
19 182
20 253
21 327
22 467
23 610
24 855
25 1097
26 1548
27 1999
28 2849
29 3648
30 5231
31 6761
32 9781
33 12631
34 18293
35 23770
36 34407
37 44704
38 64911
39 84734
40 122742
41 160055
42 233124
43 303882
44 442949
45 578588
46 843890
47 1103500

List of values

[0, 1, 2, 3, 4, 5, 7, 9, 12, 17, 21, 27, 33, 50, 62, 84, 110, 148, 182, 253, 327, 467, 610, 855, 1097, 1548, 1999, 2849, 3648, 5231, 6761, 9781, 12631, 18293, 23770, 34407, 44704, 64911, 84734, 122742, 160055, 233124, 303882, 442949, 578588, 843890, 1103500]