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.

A143337 Expansion of K(k) * (6 * E(k) - (1 + 4*k'^2) * K(k)) / (Pi/2)^2 in powers of q where E(k), K(k) are complete elliptic integrals and q = exp(-Pi * K(k') / K(k)).

Table of values

n a(n)
0 1
1 24
2 -72
3 96
4 -168
5 144
6 -288
7 192
8 -360
9 312
10 -432
11 288
12 -672
13 336
14 -576
15 576
16 -744
17 432
18 -936
19 480
20 -1008
21 768
22 -864
23 576
24 -1440
25 744
26 -1008
27 960
28 -1344
29 720
30 -1728
31 768
32 -1512
33 1152
34 -1296
35 1152
36 -2184
37 912
38 -1440
39 1344
40 -2160
41 1008
42 -2304
43 1056
44 -2016
45 1872
46 -1728
47 1152

List of values

[1, 24, -72, 96, -168, 144, -288, 192, -360, 312, -432, 288, -672, 336, -576, 576, -744, 432, -936, 480, -1008, 768, -864, 576, -1440, 744, -1008, 960, -1344, 720, -1728, 768, -1512, 1152, -1296, 1152, -2184, 912, -1440, 1344, -2160, 1008, -2304, 1056, -2016, 1872, -1728, 1152]