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.

A356559 a(n) = exp(-1) * n! * Sum_{k>=0} Laguerre(n,k) / k!.

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 7
5 43
6 281
7 2056
8 17004
9 157809
10 1622515
11 18245335
12 222004597
13 2898508416
14 40343356184
15 595578837205
16 9287308741827
17 152459628788599
18 2627373030049669
19 47425289731038656
20 895098852673047772
21 17644305594671247141
22 363065584549610882703
23 7799894520723959486795

List of values

[1, 0, 0, 1, 7, 43, 281, 2056, 17004, 157809, 1622515, 18245335, 222004597, 2898508416, 40343356184, 595578837205, 9287308741827, 152459628788599, 2627373030049669, 47425289731038656, 895098852673047772, 17644305594671247141, 363065584549610882703, 7799894520723959486795]

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

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