login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A231899 as a simple table

n a(n)
0 1
1 1
2 1
3 7
4 106
5 2590
6 89500
7 4061830
8 230971450
9 15931539370
10 1301850919000
11 123784442479000
12 13503177242345500
13 1670758163868804100
14 232275860883184444000
15 35996619826480459259200
16 6176482540368771725898700
17 1166516670494844414929980300
18 241253958437270751756621102400

[1,1,1,7,106,2590,89500,4061830,230971450,
 15931539370,1301850919000,123784442479000,
 13503177242345500,1670758163868804100,
 232275860883184444000,35996619826480459259200,
 6176482540368771725898700,
 1166516670494844414929980300,
 241253958437270751756621102400]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 19 17:16 EDT 2019. Contains 324222 sequences. (Running on oeis4.)