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.

A302997 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals: A(n,k) = [x^(n^2)] theta_3(x)^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 3
5 1
6 1
7 5
8 5
9 1
10 1
11 7
12 13
13 7
14 1
15 1
16 9
17 33
18 29
19 9
20 1
21 1
22 11
23 89
24 123
25 49
26 11
27 1
28 1
29 13
30 221
31 425
32 257
33 81
34 13
35 1
36 1
37 15
38 485
39 1343
40 1281
41 515
42 113
43 15
44 1
45 1
46 17
47 953
48 4197
49 5913
50 3121
51 925
52 149
53 17
54 1
55 1
56 19
57 1713
58 12435
59 23793
60 16875
61 6577
62 1419
63 197
64 19
65 1
66 1
67 21
68 2869
69 33809
70 88273
71 84769
72 42205
73 11833
74 2109
75 253
76 21
77 1

List of values

[1, 1, 1, 1, 3, 1, 1, 5, 5, 1, 1, 7, 13, 7, 1, 1, 9, 33, 29, 9, 1, 1, 11, 89, 123, 49, 11, 1, 1, 13, 221, 425, 257, 81, 13, 1, 1, 15, 485, 1343, 1281, 515, 113, 15, 1, 1, 17, 953, 4197, 5913, 3121, 925, 149, 17, 1, 1, 19, 1713, 12435, 23793, 16875, 6577, 1419, 197, 19, 1, 1, 21, 2869, 33809, 88273, 84769, 42205, 11833, 2109, 253, 21, 1]