A043404 Numbers whose base-7 representation contains exactly four 2's.

800, 3201, 4916, 5259, 5504, 5553, 5588, 5595, 5600, 5601, 5603, 5604, 5605, 5606, 5609, 5616, 5623, 5630, 5651, 5700, 5749, 5798, 5945, 6288, 6631, 6974, 8003, 10404, 12805, 15206, 17607, 20008, 21723, 22066, 22311, 22360

Offset

1,1

Links

Table of n, a(n) for n=1..36.

Crossrefs

Cf. A007093.

Sequence in context: A364087 A035886 A283899 * A015065 A097206 A093280

Adjacent sequences: A043401 A043402 A043403 * A043405 A043406 A043407

Keyword

nonn,base

Author

Clark Kimberling

Status

approved