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.

A244508 Number of odd prime powers (A246655) between 2^n and 2^(n+1).

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 7
5 8
6 16
7 25
8 46
9 80
10 141
11 263
12 473
13 882
14 1628
15 3044
16 5734
17 10779
18 20428
19 38687
20 73653
21 140425
22 268340
23 513866
24 986033
25 1894409
26 3646134
27 7027825
28 13562625
29 26208248
30 50698865
31 98184467
32 190338061
33 369326690
34 717271793
35 1394198586
36 2712112561

List of values

[0, 1, 2, 3, 7, 8, 16, 25, 46, 80, 141, 263, 473, 882, 1628, 3044, 5734, 10779, 20428, 38687, 73653, 140425, 268340, 513866, 986033, 1894409, 3646134, 7027825, 13562625, 26208248, 50698865, 98184467, 190338061, 369326690, 717271793, 1394198586, 2712112561]

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

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