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.

A113145 Row 4 of table A113143; equal to INVERT of quartic (or 4-fold) factorials shifted one place right.

Table of values

n a(n)
0 1
1 1
2 2
3 8
4 60
5 708
6 11428
7 232756
8 5704964
9 163192820
10 5331728964
11 195776203764
12 7978838333188
13 357313060904692
14 17438518614448580
15 921145685670017012
16 52355425184381107332
17 3185815887918686343924
18 206633438251087758833476

List of values

[1, 1, 2, 8, 60, 708, 11428, 232756, 5704964, 163192820, 5331728964, 195776203764, 7978838333188, 357313060904692, 17438518614448580, 921145685670017012, 52355425184381107332, 3185815887918686343924, 206633438251087758833476]

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

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