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!)

A257178 as a simple table

n a(n)
0 1
1 3
2 10
3 33
4 110
5 369
6 1247
7 4245
8 14558
9 50295
10 175029
11 613467
12 2165100
13 7692345
14 27504600
15 98941185
16 357952580
17 1301960925
18 4759282415
19 17478557925
20 64468072820
21 238736987535
22 887359113700
23 3309489922743
24 12381998910700
25 46460457776739

[1,3,10,33,110,369,1247,4245,14558,50295,175029,
 613467,2165100,7692345,27504600,98941185,
 357952580,1301960925,4759282415,17478557925,
 64468072820,238736987535,887359113700,
 3309489922743,12381998910700,46460457776739]

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 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)