login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A270707 as a simple table

n a(n)
0 0
1 2
2 3
3 14
4 60
5 349
6 2310
7 17772
8 154224
9 1494168
10 15973980
11 186815386
12 2372249880
13 32503673760
14 477955820160
15 7507517217600
16 125452772867520
17 2222130456911520
18 41587962405967872
19 820019478835203840
20 16990772582549183040

[0,2,3,14,60,349,2310,17772,154224,1494168,
 15973980,186815386,2372249880,32503673760,
 477955820160,7507517217600,125452772867520,
 2222130456911520,41587962405967872,
 820019478835203840,16990772582549183040]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 26 07:40 EDT 2024. Contains 375454 sequences. (Running on oeis4.)