A043396 Numbers whose base-7 representation contains exactly four 0's.

2401, 4802, 7203, 9604, 12005, 14406, 16808, 16809, 16810, 16811, 16812, 16813, 16814, 16821, 16828, 16835, 16842, 16849, 16856, 16905, 16954, 17003, 17052, 17101, 17150, 17493, 17836, 18179, 18522, 18865, 19208

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Crossrefs

Cf. A007093.

Sequence in context: A018865 A186488 A186487 * A103125 A074384 A016924

Adjacent sequences: A043393 A043394 A043395 * A043397 A043398 A043399

Keyword

nonn,base

Author

Clark Kimberling

Status

approved