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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A037414 Positive numbers n such that the set of base 2 digits of n equals the set of base 9 digits of n. 1
1, 9, 81, 82, 90, 729, 730, 738, 739, 810, 811, 819, 6561, 6562, 6570, 6571, 6642, 6643, 6651, 6652, 7290, 7291, 7299, 7300, 7371, 7372, 7380, 59049, 59050, 59058, 59059, 59130, 59131, 59139, 59140, 59778, 59779, 59787, 59788, 59859, 59860, 59868, 59869 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

John Cerkan, Table of n, a(n) for n = 1..10000

PROG

(PARI) isok(n) = Set(binary(n)) == Set(digits(n, 9)); \\ Michel Marcus, Jan 21 2017

CROSSREFS

Subsequence of A033046.

Sequence in context: A008463 A203656 A043087 * A161147 A209220 A207689

Adjacent sequences:  A037411 A037412 A037413 * A037415 A037416 A037417

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

EXTENSIONS

Name edited by John Cerkan, Jan 20 2017

a(28)-a(43) from John Cerkan, Jan 20 2017

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 May 19 14:48 EDT 2019. Contains 323395 sequences. (Running on oeis4.)