The sequence "u_{n-r}" used by Conway and Guy in the construction of A005318 and A096858.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =4a(6) =4a(7) =7a(8) =13a(9) =24a(10) =24a(11) =44a(12) =84a(13) =161a(14) =309a(15) =309a(16) =594a(17) =1164a(18) =2284a(19) =4484a(20) =8807a(21) =8807a(22) =17305a(23) =34301a(24) =68008a(25) =134852a(26) =267420a(27) =530356a(28) =530356a(29) =1051905