A105715 Smallest m such that 5 is at the n-th position of the decimal representation of the m-th Fibonacci number.

5, 55, 1597, 75025, 24157817, 514229, 5702887, 32951280099, 12586269025, 225851433717, 53316291173, 591286729879, 61305790721611591, 135301852344706746049, 5527939700884757, 5527939700884757

Offset: 0

Author

Reinhard Zumkeller, Apr 18 2005

Keywords

• nonn
• base

Comments

a(n) = A000045(A105705(n)).

Examples

			n=3: A105700(3)=25, a(3)=A000045(25)=75025->7[5]025;
n=4: A105700(4)=37, a(4)=A000045(37)=24157817->241[5]7817.
		

Links

• Eric Weisstein's World of Mathematics, Fibonacci Number

Crossrefs

Cf. A105711, A072351, A105712, A105713, A105714, A105716, A105717, A105718, A105719.