%I #3 Mar 30 2012 18:50:47
%S 1,6,10,12,20,26,30,34,38,46,52,58,60,66,68,74,78,82,86,92,102,105,
%T 106,114,116,122,130,134,136,142,146,148,156,164,165,166,172,178,186,
%U 190,194,202,206,212,218,222,226,228,230,238,244,246,252,262,264,273,274
%N Numbers of rows ending with ones in triangle A098666.
%C A098668(a(n)) = 1;
%C a(22)=105 is the smallest odd term, 105=3*5*7.
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Sep 20 2004