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.

A052611 Expansion of e.g.f. 1/(1-2*x-2*x^2).

Table of values

n a(n)
0 1
1 2
2 12
3 96
4 1056
5 14400
6 236160
7 4515840
8 98703360
9 2426941440
10 66305433600
11 1992646656000
12 65328154214400
13 2320237766246400
14 88746105588940800
15 3636883029491712000
16 158978387626426368000
17 7383729547341987840000

List of values

[1, 2, 12, 96, 1056, 14400, 236160, 4515840, 98703360, 2426941440, 66305433600, 1992646656000, 65328154214400, 2320237766246400, 88746105588940800, 3636883029491712000, 158978387626426368000, 7383729547341987840000]