%I
%S 1,2,5,10,13,26,37,65,74,130,185,370,463,481,926,962,2315,2405,4630,
%T 4810,6019,12038,17131,30095,34262,60190,85655,171310,222703
%N Numbers in A064383 that are squarefree.
%o (PARI) for(n=1,10^6,x=sum(k=0,n,(1)^k*k!); if(Mod(x,n)==0 && issquarefree(n),print(n)))
%K more,nonn
%O 1,2
%A _Jason Earls_, Sep 28 2001
%E a(17)a(29) from _Donovan Johnson_, Nov 30 2008
