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.

A302998 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = [x^(n^2)] (1 + theta_3(x))^k/(2^k*(1 - x)), where theta_3() is the Jacobi theta function.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 3
9 1
10 1
11 4
12 6
13 4
14 1
15 1
16 5
17 11
18 11
19 5
20 1
21 1
22 6
23 20
24 29
25 17
26 6
27 1
28 1
29 7
30 36
31 70
32 54
33 26
34 7
35 1
36 1
37 8
38 63
39 157
40 165
41 99
42 35
43 8
44 1
45 1
46 9
47 106
48 337
49 482
50 357
51 163
52 45
53 9
54 1
55 1
56 10
57 171
58 702
59 1319
60 1203
61 688
62 239
63 58
64 10
65 1
66 1
67 11
68 265
69 1420
70 3390
71 3819
72 2673
73 1154
74 344
75 73
76 11
77 1

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 11, 11, 5, 1, 1, 6, 20, 29, 17, 6, 1, 1, 7, 36, 70, 54, 26, 7, 1, 1, 8, 63, 157, 165, 99, 35, 8, 1, 1, 9, 106, 337, 482, 357, 163, 45, 9, 1, 1, 10, 171, 702, 1319, 1203, 688, 239, 58, 10, 1, 1, 11, 265, 1420, 3390, 3819, 2673, 1154, 344, 73, 11, 1]