login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


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

A143916 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 12
5 62
6 385
7 2781
8 22848
9 210176
10 2139336
11 23872450
12 289825228
13 3803859030
14 53676793157
15 810508456373
16 13041332257860
17 222776899815744
18 4026846590787586
19 76792054455516582
20 1540845309830989064

[1,1,1,3,12,62,385,2781,22848,210176,2139336,
 23872450,289825228,3803859030,53676793157,
 810508456373,13041332257860,222776899815744,
 4026846590787586,76792054455516582,
 1540845309830989064]

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 October 28 17:59 EDT 2021. Contains 348329 sequences. (Running on oeis4.)