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!)

A215512 as a simple table

n a(n)
0 1
1 3
2 8
3 23
4 70
5 220
6 703
7 2265
8 7327
9 23748
10 77043
11 250054
12 811760
13 2635519
14 8557089
15 27784091
16 90213440
17 292919743
18 951102166
19 3088205812
20 10027335807
21 32558546329
22 105716922615
23 343260670908
24 1114560365179
25 3618954723062
26 11750672095144
27 38154192502527

[1,3,8,23,70,220,703,2265,7327,23748,77043,250054,
 811760,2635519,8557089,27784091,90213440,
 292919743,951102166,3088205812,10027335807,
 32558546329,105716922615,343260670908,
 1114560365179,3618954723062,11750672095144,
 38154192502527]

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 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)