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!)

A047087 as a simple table

n a(n)
1 1
2 3
3 8
4 24
5 75
6 237
7 755
8 2421
9 7804
10 25264
11 82081
12 267487
13 873970
14 2862038
15 9391137
16 30869167
17 101627704
18 335049772
19 1106003560
20 3655124296
21 12092095945
22 40042017815
23 132712302538
24 440207294382
25 1461259979347
26 4853983051617
27 16134233746913
28 53660996850207

[1,3,8,24,75,237,755,2421,7804,25264,82081,267487,
 873970,2862038,9391137,30869167,101627704,
 335049772,1106003560,3655124296,12092095945,
 40042017815,132712302538,440207294382,
 1461259979347,4853983051617,16134233746913,
 53660996850207]

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 May 29 05:00 EDT 2022. Contains 354122 sequences. (Running on oeis4.)