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!)

A342986 as a simple table

n a(n)
0 1
1 0
2 2
3 6
4 44
5 280
6 2100
7 16310
8 133652
9 1132992
10 9895672
11 88520520
12 808057712
13 7504219008
14 70730676392
15 675328163542
16 6521495669380
17 63612394972608
18 626076210568200
19 6211621325369992
20 62077602307372720
21 624488579671582880
22 6320044589443116720
23 64313288809475362888

[1,0,2,6,44,280,2100,16310,133652,1132992,9895672,
 88520520,808057712,7504219008,70730676392,
 675328163542,6521495669380,63612394972608,
 626076210568200,6211621325369992,
 62077602307372720,624488579671582880,
 6320044589443116720,64313288809475362888]

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 April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)