%I #4 Mar 30 2012 16:50:36
%S 2,4,63,196,15125,838566,807905287,19896463928,3059220303009,
%T 3931520917431250
%N Ends of the runs of numbers described in A072875.
%F a(n) = A072875(n)+n-1.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jan 28 2007
