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.

A366942 Expansion of e.g.f. 1/(1-x-2*x^2-3*x^3).

Table of values

n a(n)
0 1
1 1
2 6
3 48
4 408
5 5040
6 72000
7 1184400
8 22619520
9 482993280
10 11459750400
11 299495750400
12 8531976499200
13 263353163673600
14 8754879893760000
15 311808414677760000
16 11845876873678848000
17 478163414336864256000
18 20436460099541950464000
19 921972301728418676736000

List of values

[1, 1, 6, 48, 408, 5040, 72000, 1184400, 22619520, 482993280, 11459750400, 299495750400, 8531976499200, 263353163673600, 8754879893760000, 311808414677760000, 11845876873678848000, 478163414336864256000, 20436460099541950464000, 921972301728418676736000]