Fibonacci sequence beginning 2, 26.

Terms

a(0) =2a(1) =26a(2) =28a(3) =54a(4) =82a(5) =136a(6) =218a(7) =354a(8) =572a(9) =926a(10) =1498a(11) =2424a(12) =3922a(13) =6346a(14) =10268a(15) =16614a(16) =26882a(17) =43496a(18) =70378a(19) =113874a(20) =184252a(21) =298126a(22) =482378a(23) =780504a(24) =1262882a(25) =2043386a(26) =3306268a(27) =5349654a(28) =8655922a(29) =14005576