A044980 Numbers whose base-3 representation contains exactly three 0's and no 1's.

54, 164, 168, 180, 216, 494, 506, 510, 542, 546, 558, 650, 654, 666, 702, 1484, 1520, 1532, 1536, 1628, 1640, 1644, 1676, 1680, 1692, 1952, 1964, 1968, 2000, 2004, 2016, 2108, 2112, 2124, 2160, 4454, 4562, 4598, 4610, 4614

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Mathematica

Select[Range[5000], DigitCount[#, 3, 0]==3&&DigitCount[#, 3, 1]==0&] (* Harvey P. Dale, Jan 11 2016 *)

Crossrefs

Cf. A007089.

Sequence in context: A044386 A044767 A250792 * A248598 A157428 A187299

Adjacent sequences: A044977 A044978 A044979 * A044981 A044982 A044983

Keyword

nonn,base

Author

Clark Kimberling

Status

approved