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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.

A095020 Number of one-bit dominant primes (A095070) in range ]2^n,2^(n+1)].

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 5
6 10
7 16
8 32
9 48
10 97
11 175
12 334
13 529
14 1130
15 1850
16 3953
17 6276
18 13911
19 23248
20 49564
21 81622
22 178910
23 300311
24 650703
25 1091809
26 2380394
27 4062176
28 8780393
29 15021634
30 32618497
31 56134342
32 121625616
33 209889612
34 455265038
35 791458830
36 1711760073
37 2982211935
38 6457387921
39 11302458576
40 24430016732

List of values

[1, 2, 2, 4, 5, 10, 16, 32, 48, 97, 175, 334, 529, 1130, 1850, 3953, 6276, 13911, 23248, 49564, 81622, 178910, 300311, 650703, 1091809, 2380394, 4062176, 8780393, 15021634, 32618497, 56134342, 121625616, 209889612, 455265038, 791458830, 1711760073, 2982211935, 6457387921, 11302458576, 24430016732]

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

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