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.

A112541 a(n) = Sum_{k=0..n} (n-k)! * n^k.

Table of values

n a(n)
0 1
1 2
2 8
3 48
4 400
5 4390
6 60624
7 1013404
8 19881728
9 447085170
10 11319529600
11 318298578664
12 9834869311488
13 331059072378814
14 12055438037135360
15 472096504892128500
16 19781301201305534464
17 882991510898240350666
18 41828674437875442696192
19 2095750482492627217639360

List of values

[1, 2, 8, 48, 400, 4390, 60624, 1013404, 19881728, 447085170, 11319529600, 318298578664, 9834869311488, 331059072378814, 12055438037135360, 472096504892128500, 19781301201305534464, 882991510898240350666, 41828674437875442696192, 2095750482492627217639360]