A105714 Smallest m such that 4 is at the n-th position of the decimal representation of the m-th Fibonacci number.
34, 144, 196418, 4181, 46368, 433494437, 14930352, 1304969544928657, 433494437, 4807526976, 1548008755920, 498454011879264, 4052739537881, 44945570212853, 498454011879264, 14472334024676221, 7540113804746346429
Offset: 0
Examples
n=3: A105700(3)=19, a(3)=A000045(19)=4181->[4]181; n=4: A105700(4)=24, a(4)=A000045(24)=46368->[4]6368.
Links
- Eric Weisstein's World of Mathematics, Fibonacci Number
Comments