The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A156246 a(n)=sum(k=1,n,A000002(2*k-1)) 0
1, 3, 4, 5, 7, 9, 10, 12, 13, 15, 17, 18, 19, 21, 22, 23, 25, 27, 28, 30, 31, 32, 34, 36, 37, 38, 40, 41, 43, 44, 45, 47, 49, 50, 52, 53, 54, 56, 58, 59, 61, 63, 64, 66, 68, 69, 71, 72, 73, 75, 76, 77, 79, 81, 82, 84, 85, 86, 88, 90, 91, 93, 94, 96, 98, 99, 100, 102, 103, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A184419 A285970 A189665 * A136014 A112930 A224985
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 07 2009
STATUS
approved

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 25 09:23 EDT 2024. Contains 372786 sequences. (Running on oeis4.)