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!)

A177521 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 111
6 612
7 3906
8 28701
9 236527
10 2167862
11 21824925
12 239861934
13 2854894485
14 36602472117
15 502718236303
16 7365503262033
17 114653301213668
18 1889769527067410
19 32877891905367530
20 602116339324675145
21 11578253045158664158
22 233244225298760907868

[1,1,2,6,24,111,612,3906,28701,236527,2167862,
 21824925,239861934,2854894485,36602472117,
 502718236303,7365503262033,114653301213668,
 1889769527067410,32877891905367530,
 602116339324675145,11578253045158664158,
 233244225298760907868]

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 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)