The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #8 Oct 19 2017 03:14:06
%S 4,16,16,48,48,5044,5044,5044,5044,144940,144940,3348548,3348548,
%T 3348548,3348548,3639059748,3639059748,49394809936,49394809936,
%U 8029157726716,8029157726716,70742004219844,70742004219844
%N Smallest even number such that n even numbers beginning with it are not squarefree.
%C 10^9 < a(16) <= 175339287660 - _Don Reble_, Oct 10 2002
%e a(4)=a(5) = 48 as 48,50,52,54,56 are all not squarefree.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Sep 22 2002
%E More terms from _Don Reble_, Oct 10 2002
%E a(16)-a(21) from _Donovan Johnson_, Apr 22 2008
%E a(22)-a(23) from _Donovan Johnson_, Mar 31 2011