%I
%S 4,4,9,25,25,49,49,121,121,121,121,169,169,289,289,289,289,361,361,
%T 529,529,529,529,841,841,841,841,841,841,961,961,1369,1369,1369,1369,
%U 1369,1369,1681,1681,1681,1681,1849,1849,2209,2209,2209,2209,2809,2809,2809
%N Smallest composite k such that phi(k) > k*(11/n).
%C Or, least composite k such that k is coprime to the n1 numbers k+1 ... k+n1. E.g. a(4) = 25 because 25 is coprime to 26, 27 and 28.  _Amarnath Murthy_, Apr 20 2004
%F a(n)=nextprime(n)^2=A007918(n)^2
%Y Cf. A052349.
%K easy,nonn
%O 1,1
%A _Benoit Cloitre_, Apr 21 2002
%E Edited by _David Wasserman_, Apr 23 2007
