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!)

A117221 as a simple table

n a(n)
1 1
2 2
3 3
4 5
5 11
6 22
7 30
8 77
9 231
10 385
11 1575
12 3010
13 8349
14 17977
15 147273
16 386155
17 1741630
18 5392783
19 18004327
20 118114304
21 483502844
22 4351078600
23 22540654445
24 129913904637
25 1987276856363
26 15285151248481
27 133978259344888
28 365749566870782
29 3925922161489422
30 49005643635237875

[1,2,3,5,11,22,30,77,231,385,1575,3010,8349,17977,
 147273,386155,1741630,5392783,18004327,118114304,
 483502844,4351078600,22540654445,129913904637,
 1987276856363,15285151248481,133978259344888,
 365749566870782,3925922161489422,
 49005643635237875]

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 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)