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.

A213627 Expansion of psi(x)^4 / psi(x^3) in powers of x where psi() is a Ramanujan theta function.

Table of values

n a(n)
0 1
1 4
2 6
3 7
4 9
5 6
6 7
7 15
8 12
9 12
10 13
11 6
12 12
13 18
14 18
15 13
16 15
17 18
18 12
19 24
20 12
21 13
22 27
23 12
24 24
25 15
26 12
27 24
28 28
29 30
30 12
31 27
32 18
33 12
34 30
35 18
36 19
37 27
38 24
39 24
40 27
41 24
42 36
43 30
44 18
45 19
46 24
47 24
48 24
49 45
50 18
51 12
52 45
53 30
54 24
55 28
56 18
57 36
58 36
59 36
60 24
61 15
62 36
63 36
64 51
65 18
66 25

List of values

[1, 4, 6, 7, 9, 6, 7, 15, 12, 12, 13, 6, 12, 18, 18, 13, 15, 18, 12, 24, 12, 13, 27, 12, 24, 15, 12, 24, 28, 30, 12, 27, 18, 12, 30, 18, 19, 27, 24, 24, 27, 24, 36, 30, 18, 19, 24, 24, 24, 45, 18, 12, 45, 30, 24, 28, 18, 36, 36, 36, 24, 15, 36, 36, 51, 18, 25]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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