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!)
A026370 a(n) = a(m) if a(m) has already occurred exactly once and n = a(m)+2m+1, else a(n) = least positive integer that has not yet occurred. 3
1, 2, 3, 1, 4, 5, 2, 6, 7, 3, 8, 9, 10, 11, 4, 12, 13, 5, 14, 15, 16, 17, 6, 18, 19, 7, 20, 21, 22, 23, 8, 24, 25, 9, 26, 27, 10, 28, 29, 11, 30, 31, 32, 33, 12, 34, 35, 13, 36, 37, 38, 39, 14, 40, 41, 15, 42, 43, 16, 44, 45, 17, 46, 47, 48, 49 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A285715 A328456 A253887 * A078446 A357241 A055447
KEYWORD
nonn
AUTHOR
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 June 17 11:50 EDT 2024. Contains 373445 sequences. (Running on oeis4.)