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.

A086985 a(n) = A000407(n) - A086984(n).

Table of values

n a(n)
1 0
2 0
3 0
4 144
5 6000
6 198000
7 6420960
8 218453760
9 7988440320
10 316674489600
11 13630070361600
12 635880851020800
13 32050874586931200
14 1738651147833600000
15 101100246720625152000
16 6277170099060596736000
17 414620927349422137344000

List of values

[0, 0, 0, 144, 6000, 198000, 6420960, 218453760, 7988440320, 316674489600, 13630070361600, 635880851020800, 32050874586931200, 1738651147833600000, 101100246720625152000, 6277170099060596736000, 414620927349422137344000]

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

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