A049722 - OEIS

%I #4 Mar 30 2012 18:56:56

%S 11,13,15,20,26,33,43,54,67,83,98,117,135,154,179,203,228,255,281,314,

%T 343,378,414,447,488,526,567,608,652,703,748,797,845,898,953,1007,

%U 1064,1123,1183,1246,1305,1372,1438,1505,1576,1642

%N a(n)=T(n,3), array T as in A048149.

%K nonn

%O 0,1

%A _Clark Kimberling_