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.

A277373 a(n) = Sum_{k=0..n} binomial(n,n-k)*n^(n-k)*n!/(n-k)!.

Table of values

n a(n)
0 1
1 2
2 14
3 168
4 2840
5 61870
6 1649232
7 51988748
8 1891712384
9 78031713690
10 3598075308800
11 183396819358192
12 10239159335648256
13 621414669926828102
14 40733145577028065280
15 2867932866586451980500
16 215859025837098699948032
17 17295664826665032427023922
18 1469838791737283957748596736

List of values

[1, 2, 14, 168, 2840, 61870, 1649232, 51988748, 1891712384, 78031713690, 3598075308800, 183396819358192, 10239159335648256, 621414669926828102, 40733145577028065280, 2867932866586451980500, 215859025837098699948032, 17295664826665032427023922, 1469838791737283957748596736]