A045120 Numbers whose base-4 representation contains exactly two 1's and one 3.

23, 29, 53, 71, 77, 83, 91, 92, 94, 103, 109, 113, 116, 118, 121, 151, 157, 181, 197, 209, 212, 214, 217, 229, 263, 269, 275, 283, 284, 286, 295, 301, 305, 308, 310, 313, 323, 331, 332, 334, 355, 363, 364, 366, 368, 370, 376, 378

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Crossrefs

Cf. A007090.

Sequence in context: A108249 A338324 A232725 * A174260 A097436 A063980

Adjacent sequences: A045117 A045118 A045119 * A045121 A045122 A045123

Keyword

nonn,base

Author

Clark Kimberling

Status

approved