a(n)=a(n-1)+a(m), where m=2n-2-2^(p+1) and 2^p<n-1<=2^(p+1), for n >= 4.

Terms

a(0) =1a(1) =3a(2) =1a(3) =4a(4) =8a(5) =11a(6) =15a(7) =26a(8) =52a(9) =55a(10) =59a(11) =70a(12) =96a(13) =151a(14) =221a(15) =372a(16) =744a(17) =747a(18) =751a(19) =762a(20) =788a(21) =843a(22) =913a(23) =1064a(24) =1436a(25) =2183a(26) =2945a(27) =3788a(28) =4852a(29) =7035