A045125 Numbers whose base-4 representation contains exactly three 1's and one 3.

87, 93, 117, 213, 279, 285, 309, 327, 333, 339, 347, 348, 350, 359, 365, 369, 372, 374, 377, 407, 413, 437, 453, 465, 468, 470, 473, 485, 599, 605, 629, 725, 789, 837, 849, 852, 854, 857, 869, 917, 1047, 1053, 1077, 1095, 1101

Offset

1,1

Links

Table of n, a(n) for n=1..45.

Crossrefs

Cf. A007090.

Sequence in context: A033407 A248026 A020216 * A295698 A095597 A095583

Adjacent sequences: A045122 A045123 A045124 * A045126 A045127 A045128

Keyword

nonn,base

Author

Clark Kimberling

Status

approved