A050625 Divisible by 3^k (where k is digit length of a(n)).

3, 6, 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 135, 162, 189, 216, 243, 270, 297, 324, 351, 378, 405, 432, 459, 486, 513, 540, 567, 594, 621, 648, 675, 702, 729, 756, 783, 810, 837, 864, 891, 918, 945, 972, 999, 1053, 1134, 1215, 1296, 1377, 1458

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Flatten[Table[3^n*Range[Ceiling[10^(n-1)/3^n], Floor[(10^n-1)/3^n]], {n, 4}]] (* Harvey P. Dale, Feb 26 2015 *)
Select[Range[1500], Mod[#, 3^IntegerLength[#]]==0&] (* Harvey P. Dale, Apr 04 2020 *)

Crossrefs

Cf. A035014, A050622, A050623.

Sequence in context: A047847 A007783 A363128 * A025614 A182751 A057576

Adjacent sequences: A050622 A050623 A050624 * A050626 A050627 A050628

Keyword

nonn,base,easy

Author

Patrick De Geest, Jun 15 1999

Status

approved