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.

A136417 Number of squares <= 2^n.

Table of values

n a(n)
0 2
1 2
2 3
3 3
4 5
5 6
6 9
7 12
8 17
9 23
10 33
11 46
12 65
13 91
14 129
15 182
16 257
17 363
18 513
19 725
20 1025
21 1449
22 2049
23 2897
24 4097
25 5793
26 8193
27 11586
28 16385
29 23171
30 32769
31 46341
32 65537
33 92682
34 131073
35 185364
36 262145
37 370728
38 524289
39 741456
40 1048577
41 1482911
42 2097153

List of values

[2, 2, 3, 3, 5, 6, 9, 12, 17, 23, 33, 46, 65, 91, 129, 182, 257, 363, 513, 725, 1025, 1449, 2049, 2897, 4097, 5793, 8193, 11586, 16385, 23171, 32769, 46341, 65537, 92682, 131073, 185364, 262145, 370728, 524289, 741456, 1048577, 1482911, 2097153]