%I #3 Dec 05 2013 19:55:33
%S 1,4,7,13,18,21,28,40,49,64,75,81,94,115,130,138,155,182,201,211,232,
%T 265,288,300,325,364,391,433,462,477,508,556,589,606,641,695,732,751,
%U 790,850,891,912,955,1021,1066,1089,1136,1208,1257,1282,1333,1411,1464
%N Main diagonal of triangle A074135.
%Y Cf. A074135.
%K nonn,easy,less
%O 1,2
%A _Amarnath Murthy_, Aug 27 2002