A045217 Numbers whose base-5 representation contains exactly three 0's and three 4's.

12524, 12604, 12620, 13004, 13020, 13100, 15004, 15020, 15100, 15500, 15749, 16149, 16229, 16245, 18149, 18229, 18245, 18629, 18645, 18725, 28149, 28229, 28245, 28629, 28645, 28725, 30629, 30645, 30725, 31125

Offset

1,1

Links

Table of n, a(n) for n=1..30.

Mathematica

Select[Range[33000], DigitCount[#, 5, 0]==DigitCount[#, 5, 4]==3&] (* Harvey P. Dale, Jan 13 2024 *)

Crossrefs

Cf. A007091.

Sequence in context: A349044 A231956 A252164 * A298313 A225151 A237907

Adjacent sequences: A045214 A045215 A045216 * A045218 A045219 A045220

Keyword

nonn,base

Author

Clark Kimberling

Status

approved