Fibonacci sequence beginning 2, 22.

Terms

a(0) =2a(1) =22a(2) =24a(3) =46a(4) =70a(5) =116a(6) =186a(7) =302a(8) =488a(9) =790a(10) =1278a(11) =2068a(12) =3346a(13) =5414a(14) =8760a(15) =14174a(16) =22934a(17) =37108a(18) =60042a(19) =97150a(20) =157192a(21) =254342a(22) =411534a(23) =665876a(24) =1077410a(25) =1743286a(26) =2820696a(27) =4563982a(28) =7384678a(29) =11948660