A105704 Smallest m such that 4 is at the n-th position of the decimal representation of the m-th Fibonacci number.
9, 12, 27, 19, 24, 43, 36, 74, 43, 48, 60, 72, 62, 67, 72, 79, 92, 86, 91, 108, 104, 112, 110, 115, 122, 152, 129, 134, 143, 146, 164, 153, 158, 171, 171, 179, 177, 182, 189, 202, 196, 201, 210, 213, 246, 220, 225, 257, 238, 244, 244, 249, 256, 266, 263, 268
Offset: 0
Examples
n=3: a(3)=19, A000045(19)=A105710(3)=4181->[4]181; n=4: a(4)=24, A000045(24)=A105710(4)=46368->[4]6368.
Links
- Eric Weisstein's World of Mathematics, Fibonacci Number
Comments