A155147 Numbers n such that n^3 has exactly 4 different digits.

12, 13, 16, 17, 18, 19, 21, 23, 25, 26, 28, 31, 33, 34, 37, 39, 42, 43, 44, 45, 46, 50, 53, 56, 58, 60, 64, 67, 68, 74, 77, 78, 79, 80, 81, 83, 86, 90, 91, 95, 98, 99, 106, 111, 114, 117, 121, 122, 132, 140, 142, 146, 150, 157, 160, 163, 164, 171, 172, 175, 177, 179

Offset

1,1

Links

John Cerkan, Table of n, a(n) for n = 1..1006

Maple

a := proc (n) if nops(convert(convert(n^3, base, 10), set)) = 4 then n else end if end proc: seq(a(n), n = 1 .. 220); # Emeric Deutsch, Jan 26 2009

Crossrefs

Cf. A155146.

Sequence in context: A323032 A003894 A084622 * A246781 A241748 A298591

Adjacent sequences: A155144 A155145 A155146 * A155148 A155149 A155150

Keyword

nonn,base

Author

Dmitry Kamenetsky, Jan 21 2009

Extensions

Extended by Emeric Deutsch, Jan 26 2009

Status

approved