A045095 Numbers whose base-4 representation contains exactly two 1's and no 2's.

5, 17, 20, 23, 29, 53, 65, 68, 71, 77, 80, 83, 92, 95, 113, 116, 119, 125, 197, 209, 212, 215, 221, 245, 257, 260, 263, 269, 272, 275, 284, 287, 305, 308, 311, 317, 320, 323, 332, 335, 368, 371, 380, 383, 449, 452, 455, 461, 464

Offset

1,1

Links

Table of n, a(n) for n=1..49.

Crossrefs

Cf. A007090.

Sequence in context: A043338 A023711 A045119 * A061940 A038470 A043003

Adjacent sequences: A045092 A045093 A045094 * A045096 A045097 A045098

Keyword

nonn,base

Author

Clark Kimberling

Status

approved