

A023183


a(n) = least k such that Fib(k) ends with n.


4



0, 1, 3, 4, 9, 5, 21, 14, 6, 11, 15, 22, 216, 7, 111, 130, 168, 37, 27, 112, 60, 8, 117, 64, 198, 25, 99, 136, 204, 29, 105, 88, 174, 13, 9, 70, 222, 43, 93, 172, 30, 41, 63, 124, 12, 55, 21, 154, 186, 49, 75, 148, 36, 67, 129, 10, 162, 23, 87, 118, 180, 61, 57, 166, 72, 20
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OFFSET

0,3


COMMENTS

It appears that if n is greater than 99 and congruent to 4 or 6 (mod 8) then there is no Fibonacci number ending in that n.  Jason Earls, Jun 19 2004


LINKS

Table of n, a(n) for n=0..65.


MATHEMATICA

d[n_]:=IntegerDigits[n]; Table[j=0; While[Length[d[Fibonacci[j]]]<(le=Length[y=d[n]]), j++]; i=j; While[Take[d[Fibonacci[i]], le]!=y, i++]; i, {n, 0, 65}] (* Jayanta Basu, May 18 2013 *)


CROSSREFS

Cf. A000045, A023184, A020344, A020345.
Sequence in context: A256469 A192334 A140439 * A102320 A227717 A021290
Adjacent sequences: A023180 A023181 A023182 * A023184 A023185 A023186


KEYWORD

nonn,base


AUTHOR

David W. Wilson


STATUS

approved



