A043407 Numbers whose base-7 representation contains exactly three 3's.

171, 514, 857, 1053, 1102, 1151, 1179, 1186, 1193, 1197, 1198, 1199, 1201, 1202, 1203, 1207, 1214, 1221, 1249, 1298, 1347, 1543, 1886, 2229, 2572, 2915, 3258, 3454, 3503, 3552, 3580, 3587, 3594, 3598, 3599, 3600, 3602

Offset

1,1

Links

Table of n, a(n) for n=1..37.

Crossrefs

Cf. A007093.

Sequence in context: A185610 A185837 A016057 * A031691 A158220 A079654

Adjacent sequences: A043404 A043405 A043406 * A043408 A043409 A043410

Keyword

nonn,base

Author

Clark Kimberling

Status

approved