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.
%I A291639 #15 Feb 03 2025 16:22:54 %S A291639 10,16,20,22,30,34,37,40,42,43,47,48,50,52,59,60,63,67,69,70,73,74,79, %T A291639 80,84,86,87,89,90,93,94,99,100,101,102,103,106,107,109,110,112,115, %U A291639 116,117,118,120,123,124,126,127,128,130,131,134,135,138,140,141 %N A291639 Numbers k such that 0 is the smallest decimal digit of k^3. %C A291639 The sequence is infinite. For example, A062397(i) is in the sequence for any i > 1, since A168575(i) contains the digit 0 for any i > 1. - _Felix Fröhlich_, Aug 28 2017 %C A291639 Also contains A008592, and has asymptotic density 1. - _Robert Israel_, Aug 29 2017 %H A291639 Robert Israel, <a href="/A291639/b291639.txt">Table of n, a(n) for n = 1..10000</a> %e A291639 16 is in the sequence because 16^3 = 4096, the smallest decimal digit of which is 0. %p A291639 select(n -> min(convert(n^3,base,10))=0, [$1..1000]); # _Robert Israel_, Aug 29 2017 %t A291639 Select[Range[150],DigitCount[#^3,10,0]>0&] (* _Harvey P. Dale_, Feb 03 2025 *) %o A291639 (PARI) select(k->vecmin(digits(k^3))==0, vector(500, k, k)) %Y A291639 Cf. A008592, A062397, A168575, A291640, A291641, A291642, A291643, A291644. %K A291639 nonn,base %O A291639 1,1 %A A291639 _Colin Barker_, Aug 28 2017