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!)

A247105 as a simple table

n a(n)
1 1
2 5
3 25
4 109
5 385
6 1373
7 4645
8 16009
9 48817
10 159757
11 488377
12 1571425
13 4560901
14 14482393
15 43408013
16 130394125
17 380755429
18 1118740741
19 3326930413
20 9931863461
21 28466058257
22 84243573797
23 240453967777
24 706827067045
25 2009065808473
26 5913933615149
27 16711898903281

[1,5,25,109,385,1373,4645,16009,48817,159757,
 488377,1571425,4560901,14482393,43408013,
 130394125,380755429,1118740741,3326930413,
 9931863461,28466058257,84243573797,240453967777,
 706827067045,2009065808473,5913933615149,
 16711898903281]

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 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)