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!)

A181131 as a simple table

n a(n)
0 1
1 3
2 15
3 105
4 105
5 231
6 15015
7 2145
8 36465
9 969969
10 4849845
11 10140585
12 10140585
13 22287
14 3231615
15 7713865005
16 7713865005
17 90751353
18 218257003965
19 1641030105
20 67282234305
21 368217318651
22 1841086593255
23 3762220429695
24 63957747304815
25 1546231253523

[1,3,15,105,105,231,15015,2145,36465,969969,
 4849845,10140585,10140585,22287,3231615,
 7713865005,7713865005,90751353,218257003965,
 1641030105,67282234305,368217318651,1841086593255,
 3762220429695,63957747304815,1546231253523]

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 March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)