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.

A000024 Number of positive integers <= 2^n of form x^2 + 10 y^2.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 7
5 10
6 20
7 36
8 65
9 118
10 221
11 409
12 776
13 1463
14 2788
15 5328
16 10222
17 19714
18 38054
19 73685
20 142944
21 277838
22 540889
23 1054535
24 2058537
25 4023278
26 7871313
27 15414638
28 30213190
29 59266422
30 116343776
31 228545682
32 449240740
33 883570480
34 1738769611
35 3423469891
36 6743730746

List of values

[1, 1, 2, 2, 7, 10, 20, 36, 65, 118, 221, 409, 776, 1463, 2788, 5328, 10222, 19714, 38054, 73685, 142944, 277838, 540889, 1054535, 2058537, 4023278, 7871313, 15414638, 30213190, 59266422, 116343776, 228545682, 449240740, 883570480, 1738769611, 3423469891, 6743730746]

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

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