A043471 Numbers having three 4's in base 9.

364, 1093, 1822, 2551, 2956, 3037, 3118, 3199, 3244, 3253, 3262, 3271, 3276, 3277, 3278, 3279, 3281, 3282, 3283, 3284, 3289, 3298, 3307, 3316, 3361, 3442, 3523, 3604, 4009, 4738, 5467, 6196, 6925, 7654, 8383, 9112, 9517

Offset

1,1

Links

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

Mathematica

Select[Range[10000], Count[IntegerDigits[#, 9], 4]==3&]  (* Harvey P. Dale, Dec 26 2010 *)
Select[Range@10000, DigitCount[#, 9, 4] == 3 &] (* Robert G. Wilson v, Dec 26 2010 *)

Crossrefs

Cf. A007095.

Sequence in context: A038468 A131348 A303123 * A203857 A305184 A105920

Adjacent sequences: A043468 A043469 A043470 * A043472 A043473 A043474

Keyword

nonn,base

Author

Clark Kimberling

Status

approved