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

 

Logo


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

A136780 as a simple table

n a(n)
1 1
2 2
3 13
4 68
5 358
6 1871
7 9757
8 50825
9 264622
10 1377455
11 7169434
12 37314044
13 194200651
14 1010706167
15 5260139653
16 27375923678
17 142475405353
18 741499470476
19 3859061584762
20 20084107492055
21 104525763472957
22 543994053280925
23 2831163512738434
24 14734511818610939

[1,2,13,68,358,1871,9757,50825,264622,1377455,
 7169434,37314044,194200651,1010706167,5260139653,
 27375923678,142475405353,741499470476,
 3859061584762,20084107492055,104525763472957,
 543994053280925,2831163512738434,
 14734511818610939]

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 June 6 10:01 EDT 2020. Contains 334860 sequences. (Running on oeis4.)