Fibonacci sequence beginning 4, 10.

Terms

a(0) =4a(1) =10a(2) =14a(3) =24a(4) =38a(5) =62a(6) =100a(7) =162a(8) =262a(9) =424a(10) =686a(11) =1110a(12) =1796a(13) =2906a(14) =4702a(15) =7608a(16) =12310a(17) =19918a(18) =32228a(19) =52146a(20) =84374a(21) =136520a(22) =220894a(23) =357414a(24) =578308a(25) =935722a(26) =1514030a(27) =2449752a(28) =3963782a(29) =6413534