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.

A052631 a(n) = n!*Pell(n) (or n!*A000129(n)).

Table of values

n a(n)
0 0
1 1
2 4
3 30
4 288
5 3480
6 50400
7 851760
8 16450560
9 357436800
10 8629286400
11 229162348800
12 6638962176000
13 208362342988800
14 7042436719718400
15 255029193619200000
16 9851119008546816000
17 404305986955014144000
18 17569457946995834880000
19 805912049524456562688000

List of values

[0, 1, 4, 30, 288, 3480, 50400, 851760, 16450560, 357436800, 8629286400, 229162348800, 6638962176000, 208362342988800, 7042436719718400, 255029193619200000, 9851119008546816000, 404305986955014144000, 17569457946995834880000, 805912049524456562688000]

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

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