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!)

A150115 as a simple table

n a(n)
0 1
1 2
2 6
3 19
4 70
5 272
6 1102
7 4603
8 19689
9 85905
10 380419
11 1706952
12 7740063
13 35416953
14 163311951
15 758082996
16 3539424469
17 16609301242
18 78292331761
19 370522059204
20 1759756397921
21 8384450205934
22 40063002574731
23 191928810878505
24 921638909638874
25 4435212118443270
26 21385562185737670
27 103301985771383536

[1,2,6,19,70,272,1102,4603,19689,85905,380419,
 1706952,7740063,35416953,163311951,758082996,
 3539424469,16609301242,78292331761,370522059204,
 1759756397921,8384450205934,40063002574731,
 191928810878505,921638909638874,4435212118443270,
 21385562185737670,103301985771383536]

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 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)