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A199988 Numbers with digital product = 6. 3
6, 16, 23, 32, 61, 116, 123, 132, 161, 213, 231, 312, 321, 611, 1116, 1123, 1132, 1161, 1213, 1231, 1312, 1321, 1611, 2113, 2131, 2311, 3112, 3121, 3211, 6111, 11116, 11123, 11132, 11161, 11213, 11231, 11312, 11321, 11611, 12113, 12131, 12311, 13112, 13121 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

MAPLE

f:= proc(d) local b, i, t;

   b:= (10^d-1)/9;

   op(sort([seq(b+5*10^i, i=0..d-1), seq(b+10^t[1]+2*10^t[2], t = combinat:-permute([$0..d-1], 2))]))

end proc:

seq(f(i), i=1..5); # Robert Israel, Jan 13 2021

MATHEMATICA

Select[Range[20000], Times @@ IntegerDigits[#] == 6 &] (* T. D. Noe, Nov 16 2011 *)

CROSSREFS

Subsequence of A034053.

Cf. A007954.

Sequence in context: A340497 A051808 A034053 * A114222 A275641 A171440

Adjacent sequences:  A199985 A199986 A199987 * A199989 A199990 A199991

KEYWORD

nonn,look,base

AUTHOR

Jaroslav Krizek, Nov 13 2011

STATUS

approved

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Last modified February 27 05:37 EST 2021. Contains 341649 sequences. (Running on oeis4.)