Search: id:A049902 Results 1-1 of 1 results found. %I A049902 %S A049902 1,2,1,3,5,11,21,43,84,170,339,679,1356,2710,5414,10818,21614,43270, %T A049902 86539,173079,346156,692310,1384614,2769218,5538414,11076787,22153488, %U A049902 44306807,88613274,177225871,354450388,708898072,1417790740 %N A049902 a(n)=a(1)+a(2)+...+a(n-1)-a(m), where m=n-1-2^p and 2^p