A045091 Numbers whose base-4 representation contains exactly one 1 and one 2.

6, 9, 18, 24, 27, 30, 33, 36, 39, 45, 54, 57, 66, 72, 75, 78, 96, 99, 108, 111, 114, 120, 123, 126, 129, 132, 135, 141, 144, 147, 156, 159, 177, 180, 183, 189, 198, 201, 210, 216, 219, 222, 225, 228, 231, 237, 246, 249, 258, 264

Offset

1,1

Links

Table of n, a(n) for n=1..50.

Crossrefs

Cf. A007090.

Sequence in context: A320492 A316071 A039280 * A086955 A270794 A297623

Adjacent sequences: A045088 A045089 A045090 * A045092 A045093 A045094

Keyword

nonn,base

Author

Clark Kimberling

Status

approved