login
A105714
Smallest m such that 4 is at the n-th position of the decimal representation of the m-th Fibonacci number.
10
34, 144, 196418, 4181, 46368, 433494437, 14930352, 1304969544928657, 433494437, 4807526976, 1548008755920, 498454011879264, 4052739537881, 44945570212853, 498454011879264, 14472334024676221, 7540113804746346429
OFFSET
0,1
COMMENTS
a(n) = A000045(A105704(n)).
LINKS
Eric Weisstein's World of Mathematics, Fibonacci Number
EXAMPLE
n=3: A105700(3)=19, a(3)=A000045(19)=4181->[4]181;
n=4: A105700(4)=24, a(4)=A000045(24)=46368->[4]6368.
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Apr 18 2005
STATUS
approved