login
This site is supported by donations to The OEIS Foundation.

 

Logo


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

A145550 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 9
6 20
7 48
8 115
9 286
10 719
11 1842
12 4766
13 12486
14 32972
15 87807
16 235365
17 634792
18 1720976
19 4688090
20 12824381
21 35216108
22 97037603
23 268229329
24 743562936
25 2066686470
26 5758171390
27 16079351152

[1,1,2,4,9,20,48,115,286,719,1842,4766,12486,
 32972,87807,235365,634792,1720976,4688090,
 12824381,35216108,97037603,268229329,743562936,
 2066686470,5758171390,16079351152]

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

License Agreements, Terms of Use, Privacy Policy .

Last modified February 21 07:18 EST 2018. Contains 299390 sequences. (Running on oeis4.)