A105712 Smallest m such that 2 is at the n-th position of the decimal representation of the m-th Fibonacci number.

2, 21, 233, 2584, 28657, 9227465, 2178309, 24157817, 267914296, 2971215073, 20365011074, 225851433717, 2504730781961, 27777890035288, 19740274219868223167, 2111485077978050, 23416728348467685

Offset

0,1

Comments

a(n) = A000045(A105702(n)).

Links

Table of n, a(n) for n=0..16.

Eric Weisstein's World of Mathematics, Fibonacci Number

Example

n=3: A105700(3)=18, a(3)=A000045(18)=2584->[2]584;
n=4: A105700(4)=23, a(4)=A000045(23)=28657->[2]8657.

Crossrefs

Cf. A105711, A072351, A105713, A105714, A105715, A105716, A105717, A105718, A105719.

Sequence in context: A036679 A134490 A045726 * A087677 A374675 A266969

Adjacent sequences: A105709 A105710 A105711 * A105713 A105714 A105715

Keyword

nonn,base

Author

Reinhard Zumkeller, Apr 18 2005

Status

approved