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.

A321423 Expansion of 1/2 * Product_{0 <= i <= j} (1 + x^(i^2 + j^2)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 2
7 2
8 2
9 3
10 4
11 4
12 4
13 5
14 6
15 7
16 7
17 8
18 10
19 11
20 12
21 12
22 14
23 16
24 17
25 20
26 22
27 25
28 27
29 29
30 33
31 36
32 39
33 41
34 46
35 52
36 56
37 60
38 65
39 72
40 79
41 84
42 91
43 100
44 109
45 118
46 125
47 136
48 147
49 158
50 172
51 185
52 201
53 215
54 232
55 251
56 269
57 287
58 306
59 331
60 357
61 381
62 406
63 436
64 469
65 503

List of values

[1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 4, 4, 4, 5, 6, 7, 7, 8, 10, 11, 12, 12, 14, 16, 17, 20, 22, 25, 27, 29, 33, 36, 39, 41, 46, 52, 56, 60, 65, 72, 79, 84, 91, 100, 109, 118, 125, 136, 147, 158, 172, 185, 201, 215, 232, 251, 269, 287, 306, 331, 357, 381, 406, 436, 469, 503]