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.

A208933 Expansion of phi(q^4) / phi(-q) in powers of q where phi() is a Ramanujan theta function.

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 16
5 28
6 48
7 80
8 128
9 202
10 312
11 472
12 704
13 1036
14 1504
15 2160
16 3072
17 4324
18 6036
19 8360
20 11488
21 15680
22 21264
23 28656
24 38400
25 51182
26 67864
27 89552
28 117632
29 153836
30 200352
31 259904
32 335872
33 432480
34 554952
35 709728
36 904784
37 1149916
38 1457136
39 1841200
40 2320128

List of values

[1, 2, 4, 8, 16, 28, 48, 80, 128, 202, 312, 472, 704, 1036, 1504, 2160, 3072, 4324, 6036, 8360, 11488, 15680, 21264, 28656, 38400, 51182, 67864, 89552, 117632, 153836, 200352, 259904, 335872, 432480, 554952, 709728, 904784, 1149916, 1457136, 1841200, 2320128]

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

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