login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045024 Numbers n with property that in base 4 representation the numbers of 0's and 1's are 2 and 1, respectively. 1
16, 66, 67, 72, 76, 96, 112, 129, 132, 144, 193, 196, 208, 266, 267, 270, 271, 290, 291, 296, 300, 306, 307, 312, 316, 386, 387, 392, 396, 416, 432, 450, 451, 456, 460, 480, 496, 518, 519, 521, 525, 530, 531, 536, 540, 545, 548 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1700

MATHEMATICA

Select[Range[8000], DigitCount[#, 4, 0] == 2 && DigitCount[#, 4, 1] == 1 &] (* Vincenzo Librandi, Sep 22 2016 *)

CROSSREFS

Sequence in context: A253673 A041494 A057689 * A043153 A039330 A043933

Adjacent sequences:  A045021 A045022 A045023 * A045025 A045026 A045027

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

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 July 25 03:53 EDT 2021. Contains 346283 sequences. (Running on oeis4.)