%I #12 May 19 2024 12:47:05
%S 0,10,174,2298,27258,305574,3309444,35022618,364559760,3748221288,
%T 38170570414,385768464918,3874673308452,38718126671076,
%U 385227806897448,3818752082440794,37735160423265504,371852044352248824,3655440051907792536,35857177310350860328
%N Sum of balls on the lawn for the s=4 tennis ball problem.
%H D. Merlini, R. Sprugnoli, and M. C. Verri, <a href="https://doi.org/10.1006/jcta.2002.3273">The tennis ball problem</a>, J. Combin. Theory, A 99 (2002), 307-344 (S_n for s=4).
%F a(n) is asymptotic to c*sqrt(n)*(256/27)^n with c=2.8... - _Benoit Cloitre_, Jan 26 2003
%Y See A049235 for more information.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Jan 19 2003