cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A242559 Zeroless numbers n such that n^3 contains a 0.

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%I A242559 #9 Jul 10 2015 01:30:31
%S A242559 16,22,34,37,42,43,47,48,52,59,63,67,69,73,74,79,84,86,87,89,93,94,99,
%T A242559 112,115,116,117,118,123,124,126,127,128,131,134,135,138,141,143,145,
%U A242559 149,152,159,163,164,169,171,172,174,182,184,187,192,193,194,199,214,216
%N A242559 Zeroless numbers n such that n^3 contains a 0.
%e A242559 16 does not contain a 0 and 16^3 = 4096 contains a 0. Thus, 16 is a member of this sequence.
%o A242559 (Python)
%o A242559 {print(n) for n in range(10**3) if str(n).count("0")==0 and str(n**3).count("0")>0}
%o A242559 (PARI) is(n)=Set(digits(n))[1] && Set(digits(n^3))[1]==0 \\ _Charles R Greathouse IV_, Jul 10 2015
%Y A242559 Subsequence of A242214.
%Y A242559 Cf. A052382 (zeroless numbers), A134843.
%K A242559 nonn,base
%O A242559 1,1
%A A242559 _Derek Orr_, May 17 2014