A139113 Concatenation of n and n-th Fibonacci number.
11, 21, 32, 43, 55, 68, 713, 821, 934, 1055, 1189, 12144, 13233, 14377, 15610, 16987, 171597, 182584, 194181, 206765, 2110946, 2217711, 2328657, 2446368, 2575025, 26121393, 27196418, 28317811, 29514229, 30832040, 311346269, 322178309
Offset: 1
Programs
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Mathematica
Table[FromDigits[Join[IntegerDigits[n],IntegerDigits[Fibonacci[n]]]],{n,40}] (* Harvey P. Dale, Dec 31 2015 *)