A120188 - OEIS

%I #2 Mar 30 2012 18:34:45

%S 3,3,4,4,5,6,6,7,8,9,11,12,14,16,18,21,24,27,31,36,41,47,53,61,70,80,

%T 91,104,119,136,155,177,203,232,265,303,346,395,452,516

%N a(1)=3; a(n)=floor((23+sum(a(1) to a(n-1)))/7).

%Y Cf. A073941, A112088, A072493.

%K nonn

%O 1,1

%A _Graeme McRae_, Jun 10 2006