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.

A051215 Numbers of the form 4^x-y^2 >= 0.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 7
6 12
7 15
8 16
9 28
10 31
11 39
12 48
13 55
14 60
15 63
16 64
17 87
18 112
19 124
20 127
21 135
22 156
23 175
24 183
25 192
26 207
27 220
28 231
29 240
30 247
31 252
32 255
33 256
34 295
35 348
36 375
37 399
38 448
39 495
40 496
41 508
42 511
43 540
44 583
45 615
46 624
47 663
48 700
49 732
50 735
51 759
52 768
53 799
54 828
55 847
56 855
57 880

List of values

[0, 1, 3, 4, 7, 12, 15, 16, 28, 31, 39, 48, 55, 60, 63, 64, 87, 112, 124, 127, 135, 156, 175, 183, 192, 207, 220, 231, 240, 247, 252, 255, 256, 295, 348, 375, 399, 448, 495, 496, 508, 511, 540, 583, 615, 624, 663, 700, 732, 735, 759, 768, 799, 828, 847, 855, 880]