login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A080870 as a simple table

n a(n)
1 1
2 5
3 15
4 41
5 107
6 276
7 708
8 1811
9 4629
10 11827
11 30214
12 77182
13 197159
14 503632
15 1286495
16 3286264
17 8394533
18 21443246
19 54775263
20 139919550
21 357414628
22 912990471
23 2332169791
24 5957363305
25 15217664544
26 38872451165
27 99296935817

[1,5,15,41,107,276,708,1811,4629,11827,30214,
 77182,197159,503632,1286495,3286264,8394533,
 21443246,54775263,139919550,357414628,912990471,
 2332169791,5957363305,15217664544,38872451165,
 99296935817]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 20 11:01 EST 2020. Contains 331083 sequences. (Running on oeis4.)