%I #6 Jul 31 2021 01:59:34
%S 0,3,6,9,18,21,30,39,48,63,72,87,108,111,120,129,144,171,186,225,246,
%T 273,312,333,366,405,414,435,456,483,528,561,624,669,714,765,798,837,
%U 882,927,972,999,1032,1089,1128,1191,1254,1305,1356,1425,1476,1557,1608
%N a(n) = (A161330(n+1) - 2)/2.
%Y Cf. A161330, A161331, A161336, A161337.
%K nonn
%O 0,2
%A _Omar E. Pol_, Jun 09 2009
%E More terms from _Jinyuan Wang_, Jul 30 2021