cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A105719 Smallest m such that 9 is at the n-th position of the decimal representation of the m-th Fibonacci number.

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%I A105719 #5 Feb 16 2025 08:32:57
%S A105719 89,1597,987,12586269025,196418,14930352,9227465,27777890035288,
%T A105719 2971215073,139583862445,591286729879,956722026041,37889062373143906,
%U A105719 190392490709135,8944394323791464,99194853094755497,99194853094755497
%N A105719 Smallest m such that 9 is at the n-th position of the decimal representation of the m-th Fibonacci number.
%C A105719 a(n) = A000045(A105709(n)).
%H A105719 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FibonacciNumber.html">Fibonacci Number</a>
%e A105719 n=3: A105700(3)=50,
%e A105719 a(3)=A000045(50)=12586269025->1258626[9]025;
%e A105719 n=4: A105700(4)=27, a(4)=A000045(27)=196418->1[9]6418.
%Y A105719 Cf. A105711, A072351, A105712, A105713, A105714, A105715, A105716, A105717, A105718.
%K A105719 nonn,base
%O A105719 0,1
%A A105719 _Reinhard Zumkeller_, Apr 18 2005