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.

A368268 Expansion of e.g.f. exp(-x) / (1 - 2*x*exp(x)).

Table of values

n a(n)
0 1
1 1
2 9
3 71
4 817
5 11599
6 197881
7 3938087
8 89569761
9 2291869727
10 65159228521
11 2037767466679
12 69521938950289
13 2569515452879855
14 102274007835523161
15 4361566914028222919
16 198403133940750790081
17 9589223805173365594687
18 490729273233730201604809

List of values

[1, 1, 9, 71, 817, 11599, 197881, 3938087, 89569761, 2291869727, 65159228521, 2037767466679, 69521938950289, 2569515452879855, 102274007835523161, 4361566914028222919, 198403133940750790081, 9589223805173365594687, 490729273233730201604809]