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.

A095013 Number of 8k+-1 primes (A001132) in range [2^n,2^(n+1)].

Table of values

n a(n)
1 0
2 1
3 0
4 3
5 2
6 8
7 10
8 22
9 35
10 67
11 126
12 233
13 438
14 793
15 1525
16 2825
17 5391
18 10192
19 19332
20 36739
21 70163
22 133983
23 256877
24 492962
25 946938
26 1822776
27 3513544
28 6780795
29 13102754
30 25349101
31 49090527
32 95168113
33 184659769
34 358635803
35 697092152
36 1356042601
37 2639892053
38 5142809798

List of values

[0, 1, 0, 3, 2, 8, 10, 22, 35, 67, 126, 233, 438, 793, 1525, 2825, 5391, 10192, 19332, 36739, 70163, 133983, 256877, 492962, 946938, 1822776, 3513544, 6780795, 13102754, 25349101, 49090527, 95168113, 184659769, 358635803, 697092152, 1356042601, 2639892053, 5142809798]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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