A139114 Concatenation of n-th Fibonacci number and n.

11, 12, 23, 34, 55, 86, 137, 218, 349, 5510, 8911, 14412, 23313, 37714, 61015, 98716, 159717, 258418, 418119, 676520, 1094621, 1771122, 2865723, 4636824, 7502525, 12139326, 19641827, 31781128, 51422929, 83204030, 134626931, 217830932

Offset: 1

Author

Omar E. Pol, Apr 09 2008

Keywords

• base
• easy
• nonn

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A000027, A000045, A045532, A075110, A138821, A138822, A139113.

Programs

Mathematica

#[[1]]*10^IntegerLength[#[[2]]]+#[[2]]&/@Table[{Fibonacci[n],n},{n,40}] (* Harvey P. Dale, Nov 03 2016 *)