%I #2 Mar 31 2012 10:28:53

%S 1,6,10,3,2,6,30,1,42,6,15,78,21,10,30,6,42,5,210,15,30,3,330,390,105,

%T 510,546,570,70,195,210,110,42,130,35,330,30,66,105,210,21,2310,2730,

%U 14,210,3570,3990,4290,1155,4830

%N core(A144761(n))

%Y Cf. A007913, A144741

%K easy,nonn

%O 1,2

%A _Reikku Kulon_, Sep 20 2008