Concatenation of n and n-th Fibonacci number.

Terms

a(0) =11a(1) =21a(2) =32a(3) =43a(4) =55a(5) =68a(6) =713a(7) =821a(8) =934a(9) =1055a(10) =1189a(11) =12144a(12) =13233a(13) =14377a(14) =15610a(15) =16987a(16) =171597a(17) =182584a(18) =194181a(19) =206765a(20) =2110946a(21) =2217711a(22) =2328657a(23) =2446368a(24) =2575025a(25) =26121393a(26) =27196418a(27) =28317811a(28) =29514229a(29) =30832040