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.

A279618 Expansion of w_7/(1 + 13*w_7 + 49*w_7^2) in powers of q, where w_7 = (eta(7*q)/eta(q))^4.

Table of values

n a(n)
1 1
2 -9
3 30
4 -15
5 -240
6 978
7 -1463
8 -2361
9 18201
10 -42800
11 15624
12 227742
13 -809028
14 1088367
15 1593120
16 -11383551
17 25003158
18 -8589729
19 -119069358
20 403991280
21 -521730930
22 -736063496
23 5088063696
24 -10843708302
25 3624181875
26 48991048836
27 -162420646812
28 205328313785
29 284014016994

List of values

[1, -9, 30, -15, -240, 978, -1463, -2361, 18201, -42800, 15624, 227742, -809028, 1088367, 1593120, -11383551, 25003158, -8589729, -119069358, 403991280, -521730930, -736063496, 5088063696, -10843708302, 3624181875, 48991048836, -162420646812, 205328313785, 284014016994]