Search: id:A049895 Results 1-1 of 1 results found. %I A049895 %S A049895 1,1,3,4,5,13,23,37,50,136,269,529,1034,1969,3545,5650,7619,20887, %T A049895 41771,83533,167042,333985,667577,1333714,2663747,5312257,10561868, %U A049895 20873284,40746839,77515135,139469243,222296635,299811770,821920174 %N A049895 a(n)=a(1)+a(2)+...+a(n-1)-a(m), where m=2n-2-2^(p+1) and 2^p