# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a069900 Showing 1-1 of 1 %I A069900 #11 Dec 08 2018 15:52:42 %S A069900 10,14,20,21,22,26,28,30,33,34,38,39,40,42,44,46,50,51,52,55,56,57,58, %T A069900 60,62,63,65,66,68,69,70,74,76,78,80,82,84,85,86,87,88,90,92,93,94,95, %U A069900 98,99,100,102,104,105,106,110,111,112,114,115,116,117,118,119,120 %N A069900 Integer quotient of largest and smallest prime factors of n is greater than one. %C A069900 Also numbers having at least one prime factor greater than twice the smallest prime factor: complement of A081306; A081303(a(n)) > 0. - _Reinhard Zumkeller_, Mar 17 2003 %H A069900 Michael De Vlieger, Table of n, a(n) for n = 1..10000 %F A069900 A069897(n) = floor(P/p) > 1, where P is the largest, p is the least prime-factor of n. %e A069900 Composites with at least two and sufficiently deviating prime factors are here, like 2q, where q = prime >= 5: {10,...,254}. Numbers with such divisors like 30 are also included. %t A069900 Select[Range@ 120, #[[-1]] > 2 #[[1]] &@ FactorInteger[#][[All, 1]] &] (* _Michael De Vlieger_, Dec 08 2018 *) %Y A069900 Cf. A069897. %K A069900 nonn %O A069900 1,1 %A A069900 _Labos Elemer_, Apr 10 2002 %E A069900 More terms from _Reinhard Zumkeller_, Mar 17 2003 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE