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!)

A000085 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 26
6 76
7 232
8 764
9 2620
10 9496
11 35696
12 140152
13 568504
14 2390480
15 10349536
16 46206736
17 211799312
18 997313824
19 4809701440
20 23758664096
21 119952692896
22 618884638912
23 3257843882624
24 17492190577600
25 95680443760576
26 532985208200576
27 3020676745975552

[1,1,2,4,10,26,76,232,764,2620,9496,35696,140152,
 568504,2390480,10349536,46206736,211799312,
 997313824,4809701440,23758664096,119952692896,
 618884638912,3257843882624,17492190577600,
 95680443760576,532985208200576,3020676745975552]

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 28 03:10 EDT 2024. Contains 372020 sequences. (Running on oeis4.)