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.

A379690 Expansion of e.g.f. (1/x) * Series_Reversion( x * (1 - x*exp(2*x)) ).

Table of values

n a(n)
0 1
1 1
2 8
3 102
4 1952
5 49920
6 1603392
7 62100304
8 2818386944
9 146748098304
10 8624885719040
11 564885716972544
12 40800979548180480
13 3222148806557544448
14 276214603877715378176
15 25544721442331112192000
16 2535168741071076287971328
17 268757182971129822376624128
18 30311086789573678207758237696

List of values

[1, 1, 8, 102, 1952, 49920, 1603392, 62100304, 2818386944, 146748098304, 8624885719040, 564885716972544, 40800979548180480, 3222148806557544448, 276214603877715378176, 25544721442331112192000, 2535168741071076287971328, 268757182971129822376624128, 30311086789573678207758237696]