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.

A306518 Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of Product_{d|k} theta_3(q^d).

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 2
5 0
6 1
7 2
8 2
9 0
10 1
11 2
12 0
13 4
14 2
15 1
16 2
17 2
18 2
19 2
20 0
21 1
22 2
23 0
24 4
25 6
26 0
27 0
28 1
29 2
30 2
31 0
32 4
33 0
34 4
35 0
36 1
37 2
38 0
39 6
40 2
41 4
42 0
43 0
44 0
45 1
46 2
47 2
48 0
49 6
50 2
51 8
52 4
53 2
54 2
55 1
56 2
57 0
58 4
59 2
60 4
61 4
62 8
63 0
64 6
65 0
66 1
67 2
68 2
69 2
70 4
71 0
72 14
73 0
74 6
75 2
76 0
77 0
78 1
79 2
80 0
81 4
82 6
83 4
84 0
85 8
86 0
87 6
88 0
89 4
90 0
91 1
92 2
93 2
94 0
95 2
96 0
97 8
98 2
99 6
100 6
101 8
102 0
103 4
104 0

List of values

[1, 1, 2, 1, 2, 0, 1, 2, 2, 0, 1, 2, 0, 4, 2, 1, 2, 2, 2, 2, 0, 1, 2, 0, 4, 6, 0, 0, 1, 2, 2, 0, 4, 0, 4, 0, 1, 2, 0, 6, 2, 4, 0, 0, 0, 1, 2, 2, 0, 6, 2, 8, 4, 2, 2, 1, 2, 0, 4, 2, 4, 4, 8, 0, 6, 0, 1, 2, 2, 2, 4, 0, 14, 0, 6, 2, 0, 0, 1, 2, 0, 4, 6, 4, 0, 8, 0, 6, 0, 4, 0, 1, 2, 2, 0, 2, 0, 8, 2, 6, 6, 8, 0, 4, 0]