Fibonacci sequence beginning 5, 12.

Terms

a(0) =5a(1) =12a(2) =17a(3) =29a(4) =46a(5) =75a(6) =121a(7) =196a(8) =317a(9) =513a(10) =830a(11) =1343a(12) =2173a(13) =3516a(14) =5689a(15) =9205a(16) =14894a(17) =24099a(18) =38993a(19) =63092a(20) =102085a(21) =165177a(22) =267262a(23) =432439a(24) =699701a(25) =1132140a(26) =1831841a(27) =2963981a(28) =4795822a(29) =7759803