%I #4 Dec 05 2013 19:55:39
%S 1,4,6,10,16,24,33,40,52,63,76,90,105,121,138,155,175,198,218,243,267,
%T 292,319,344,374,404,435,469,501,534,568,606,645,685,723,765,805,849,
%U 895,939,986,1035,1083,1135,1184,1238,1290,1345,1397,1456,1515,1574
%N Initial terms of groups in A075635.
%Y Cf. A075635, A075636, A075638.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Sep 30 2002
%E More terms from _David Wasserman_, Jan 22 2005