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!)
A049647 a(n) = T(n,n+2), array T given by A049639. 0
1, 1, 4, 4, 7, 7, 11, 11, 17, 17, 23, 23, 31, 31, 41, 41, 51, 51, 61, 61, 75, 75, 89, 89, 105, 105, 123, 123, 137, 137, 153, 153, 177, 177, 199, 199, 223, 223, 249, 249, 269, 269, 291, 291, 323, 323, 353, 353, 381, 381, 413, 413, 443, 443, 473, 473, 513, 513 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A147814 A168233 A238391 * A263619 A046538 A353713
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Aug 06 2021
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 March 19 06:29 EDT 2024. Contains 370953 sequences. (Running on oeis4.)