%I #5 Mar 30 2012 18:39:16
%S 1,23,841,45023,3321841,323146823,40078005241,6172529945423,
%T 1155774491891041,258569396539480823,68116719340312179241,
%U 20870735447824438473023,7358996769608563523829841
%N a(n)=1/60*(A000364(n+2)-A000364(n)).
%Y Cf. A000364, A060075.
%K nonn
%O 1,2
%A _Benoit Cloitre_, Apr 06 2003