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!)
A045046 Numbers whose base-4 representation contains exactly one 0 and four 2's. 0

%I #11 Jun 27 2023 16:16:15

%S 554,650,674,680,1194,1578,1674,1698,1704,2154,2202,2214,2217,2219,

%T 2222,2234,2282,2346,2442,2466,2472,2586,2598,2601,2603,2606,2618,

%U 2634,2658,2664,2694,2697,2699,2702,2706,2712,2721

%N Numbers whose base-4 representation contains exactly one 0 and four 2's.

%t Select[Range[3000],DigitCount[#,4,0]==1&&DigitCount[#,4,2]==4&] (* _Harvey P. Dale_, Jun 27 2023 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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 26 09:40 EDT 2024. Contains 372824 sequences. (Running on oeis4.)