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A105718 Smallest Fibonacci number such that 8 is at the n-th position (from the right) of its decimal representation. 10

%I #7 Apr 25 2021 20:35:15

%S 8,89,317811,28657,39088169,832040,7778742049,12586269025,1836311903,

%T 1548008755920,86267571272,99194853094755497,308061521170129,

%U 37889062373143906,806515533049393,8944394323791464,2880067194370816120

%N Smallest Fibonacci number such that 8 is at the n-th position (from the right) of its decimal representation.

%C a(n) = A000045(A105708(n)).

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/FibonacciNumber.html">Fibonacci Number</a>

%e n=3: A105700(3)=23, a(3)=A000045(23)=28657->2[8]657;

%e n=4: A105700(4)=38, a(4)=A000045(38)=39088169->390[8]8169.

%Y Cf. A105711, A072351, A105712, A105713, A105714, A105715, A105716, A105717, A105719.

%K nonn,base

%O 0,1

%A _Reinhard Zumkeller_, Apr 18 2005

%E Definition corrected by _Robert Israel_, Apr 25 2021

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Last modified April 16 04:17 EDT 2024. Contains 371696 sequences. (Running on oeis4.)