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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.

A138512 Expansion of q * f(q^5)^5 / f(q) in powers of q where f() is a Ramanujan theta function.

Table of values

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

List of values

[1, -1, 2, -3, 5, -2, 6, -5, 7, -5, 12, -6, 12, -6, 10, -11, 16, -7, 20, -15, 12, -12, 22, -10, 25, -12, 20, -18, 30, -10, 32, -21, 24, -16, 30, -21, 36, -20, 24, -25, 42, -12, 42, -36, 35, -22, 46, -22, 43, -25, 32, -36, 52, -20, 60, -30, 40, -30, 60, -30, 62]

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

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