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.

A113180 Expansion of 1/sqrt((1-2*x)^2-8*x^4).

Table of values

n a(n)
0 1
1 2
2 4
3 8
4 20
5 56
6 160
7 448
8 1240
9 3440
10 9632
11 27200
12 77216
13 219840
14 627200
15 1793024
16 5136480
17 14743232
18 42390400
19 122064640
20 351951232
21 1015990528
22 2936079360
23 8493340672
24 24591589120
25 71262291456
26 206666232832
27 599778166784

List of values

[1, 2, 4, 8, 20, 56, 160, 448, 1240, 3440, 9632, 27200, 77216, 219840, 627200, 1793024, 5136480, 14743232, 42390400, 122064640, 351951232, 1015990528, 2936079360, 8493340672, 24591589120, 71262291456, 206666232832, 599778166784]