Fibonacci sequence beginning 0, 31.

Terms

a(0) =0a(1) =31a(2) =31a(3) =62a(4) =93a(5) =155a(6) =248a(7) =403a(8) =651a(9) =1054a(10) =1705a(11) =2759a(12) =4464a(13) =7223a(14) =11687a(15) =18910a(16) =30597a(17) =49507a(18) =80104a(19) =129611a(20) =209715a(21) =339326a(22) =549041a(23) =888367a(24) =1437408a(25) =2325775a(26) =3763183a(27) =6088958a(28) =9852141a(29) =15941099