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A155147 Numbers n such that n^3 has exactly 4 different digits. 6

%I #11 Jul 25 2016 13:33:45

%S 12,13,16,17,18,19,21,23,25,26,28,31,33,34,37,39,42,43,44,45,46,50,53,

%T 56,58,60,64,67,68,74,77,78,79,80,81,83,86,90,91,95,98,99,106,111,114,

%U 117,121,122,132,140,142,146,150,157,160,163,164,171,172,175,177,179

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

%H John Cerkan, <a href="/A155147/b155147.txt">Table of n, a(n) for n = 1..1006</a>

%p 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

%Y Cf. A155146.

%K nonn,base

%O 1,1

%A _Dmitry Kamenetsky_, Jan 21 2009

%E Extended by _Emeric Deutsch_, Jan 26 2009

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)