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.

A217906 O.g.f.: 1 / Sum_{n>=0} -n^n*(n-1)^(n-1) * exp(-n*(n-1)*x) * x^n / n!.

Table of values

n a(n)
0 1
1 1
2 3
3 19
4 223
5 4019
6 98071
7 3012595
8 111408735
9 4813926235
10 237893755847
11 13230156372931
12 817650834368367
13 55588558619887179
14 4122802071853330711
15 331247290236326404499
16 28660436738240190615167
17 2656810905539387715877787
18 262694577305483845458361767

List of values

[1, 1, 3, 19, 223, 4019, 98071, 3012595, 111408735, 4813926235, 237893755847, 13230156372931, 817650834368367, 55588558619887179, 4122802071853330711, 331247290236326404499, 28660436738240190615167, 2656810905539387715877787, 262694577305483845458361767]