A044967 Numbers whose base-3 representation contains no 0's and exactly two 1's.

4, 14, 16, 22, 44, 50, 52, 68, 70, 76, 134, 152, 158, 160, 206, 212, 214, 230, 232, 238, 404, 458, 476, 482, 484, 620, 638, 644, 646, 692, 698, 700, 716, 718, 724, 1214, 1376, 1430, 1448, 1454, 1456, 1862, 1916, 1934, 1940, 1942

Offset

1,1

Links

Table of n, a(n) for n=1..46.

Mathematica

Select[Range[2000], DigitCount[#, 3, 0]==0&&DigitCount[#, 3, 1]==2&] (* Harvey P. Dale, May 31 2016 *)

Crossrefs

Cf. A007089.

Sequence in context: A101237 A180333 A030364 * A298126 A011859 A032825

Adjacent sequences: A044964 A044965 A044966 * A044968 A044969 A044970

Keyword

nonn,base

Author

Clark Kimberling

Status

approved