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.

A081917 a(0)=1, a(n)= n^(n-2)(7n^2-3n+2)/6 (n>0).

Table of values

n a(n)
0 1
1 1
2 4
3 28
4 272
5 3375
6 50976
7 907578
8 18612224
9 432061533
10 11200000000
11 320680885976
12 10051252125696
13 342302635261067
14 12586048547315712
15 496928474121093750
16 20968759865037029376
17 941737183946729395897

List of values

[1, 1, 4, 28, 272, 3375, 50976, 907578, 18612224, 432061533, 11200000000, 320680885976, 10051252125696, 342302635261067, 12586048547315712, 496928474121093750, 20968759865037029376, 941737183946729395897]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.