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!)
A028902 Map n = Sum c_i 10^i to a(n) = Sum c_i 7^i. 2
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 49, 50, 51, 52 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Sequence in context: A328469 A347105 A245351 * A081598 A232360 A158289
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
More terms from Erich Friedman.
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 20 14:08 EDT 2024. Contains 372717 sequences. (Running on oeis4.)