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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.

A377435 Number of perfect-powers x in the range 2^n <= x < 2^(n+1).

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 3
5 3
6 5
7 7
8 8
9 11
10 16
11 24
12 32
13 42
14 61
15 82
16 118
17 166
18 231
19 322
20 453
21 635
22 892
23 1253
24 1767
25 2487
26 3505
27 4936
28 6959
29 9816
30 13850
31 19538
32 27578
33 38933
34 54972
35 77641
36 109668
37 154922
38 218879
39 309277
40 437047
41 617658
42 872968
43 1233896
44 1744153
45 2465547
46 3485478

List of values

[1, 0, 1, 2, 3, 3, 5, 7, 8, 11, 16, 24, 32, 42, 61, 82, 118, 166, 231, 322, 453, 635, 892, 1253, 1767, 2487, 3505, 4936, 6959, 9816, 13850, 19538, 27578, 38933, 54972, 77641, 109668, 154922, 218879, 309277, 437047, 617658, 872968, 1233896, 1744153, 2465547, 3485478]

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

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