%I #4 Mar 30 2012 18:56:19

%S 1,7,3,4,16,6,29,9,38,30,14,39,20,51,84,28,152,37,82,124,83,49,177,

%T 101,64,276,123,81,146,99,173,409,357,174,121,203,314,145,237,452,238,

%U 172,562,274,202,506,312,450,313,236,687,272,686

%N a(n)=least k such that s(k)=n, where s=A030707.

%K nonn

%O 1,2

%A _Clark Kimberling_