login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A050021 a(n) = position of n in A050020. 1
1, 4, 12, 20, 3, 11, 15, 19, 36, 2, 40, 10, 44, 87, 14, 48, 18, 78, 35, 5, 95, 39, 138, 69, 9, 99, 43, 86, 211, 13, 30, 47, 241, 159, 17, 215, 77, 34, 64, 21, 245, 163, 94, 150, 38, 288, 137, 68, 124, 8, 249, 98, 318, 236, 42, 85, 141, 495, 210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Ivan Neretin, Table of n, a(n) for n = 1..1000

CROSSREFS

Sequence in context: A239727 A009557 A240762 * A239662 A321769 A133096

Adjacent sequences:  A050018 A050019 A050020 * A050022 A050023 A050024

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling

EXTENSIONS

Three terms corrected by Ivan Neretin, Sep 06 2015

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 22 09:56 EDT 2019. Contains 328315 sequences. (Running on oeis4.)