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A316315 Numbers k such that the product of digits of k is a power of 12. 2
1, 11, 26, 34, 43, 62, 111, 126, 134, 143, 162, 216, 223, 232, 261, 289, 298, 314, 322, 341, 368, 386, 413, 431, 449, 466, 494, 612, 621, 638, 646, 664, 683, 829, 836, 863, 892, 928, 944, 982, 1111, 1126, 1134, 1143, 1162, 1216, 1223, 1232, 1261, 1289, 1298 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..64235

EXAMPLE

466 is in the sequence because 4*6*6 = 144 = 12^2.

MATHEMATICA

FromDigits /@ Select[Join @@ Map[Tuples[{1, 2, 3, 4, 6, 8, 9}, #] &, Range@4], IntegerQ@Log[12, Times @@ #] &]

CROSSREFS

Cf. A284375, A002275, A028846, A174813, A284323, A276037, A276038, A276039, A284324, A284295, A328560.

Sequence in context: A250611 A137015 A260903 * A251268 A174223 A247466

Adjacent sequences:  A316312 A316313 A316314 * A316316 A316317 A316318

KEYWORD

base,nonn

AUTHOR

Isaac Weiss and Henry Potts-Rubin, Jun 29 2018

EXTENSIONS

Two duplicate terms removed by Alois P. Heinz, Oct 20 2019

STATUS

approved

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Last modified July 15 15:15 EDT 2020. Contains 335774 sequences. (Running on oeis4.)