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.

A219610 Number of ways n can be written as sum of squares < n.

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 1
5 2
6 2
7 2
8 3
9 3
10 4
11 4
12 5
13 6
14 6
15 6
16 7
17 9
18 10
19 10
20 12
21 13
22 14
23 14
24 16
25 18
26 20
27 21
28 23
29 26
30 27
31 28
32 31
33 34
34 37
35 38
36 42
37 46
38 49
39 50
40 55
41 60
42 63
43 66
44 71
45 78
46 81
47 84
48 90
49 97
50 104
51 107
52 116
53 124
54 132
55 135
56 144
57 154
58 163
59 169
60 178
61 192
62 201
63 209
64 219
65 235
66 247
67 256
68 271
69 286
70 302
71 311
72 329
73 347
74 365
75 378
76 397
77 420
78 438
79 455
80 476
81 503

List of values

[1, 0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 6, 6, 6, 7, 9, 10, 10, 12, 13, 14, 14, 16, 18, 20, 21, 23, 26, 27, 28, 31, 34, 37, 38, 42, 46, 49, 50, 55, 60, 63, 66, 71, 78, 81, 84, 90, 97, 104, 107, 116, 124, 132, 135, 144, 154, 163, 169, 178, 192, 201, 209, 219, 235, 247, 256, 271, 286, 302, 311, 329, 347, 365, 378, 397, 420, 438, 455, 476, 503]