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 A105519 Number of times 9 is the leading digit of the first n+1 Fibonacci numbers in decimal representation. 10
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,36 COMMENTS a(n) = #{k: A008963(k) = 9 and 0<=k<=n}; a(A105509(n)) = a(A105509(n) - 1) + 1; n = A105511(n) + A105512(n) + A105513(n) + A105514(n) + A105515(n) + A105516(n) + A105517(n) + A105518(n) + a(n). LINKS MATHEMATICA Table[If[First[IntegerDigits[Fibonacci[n]]]==9, 1, 0], {n, 0, 110}]// Accumulate (* Harvey P. Dale, Nov 27 2018 *) CROSSREFS Cf. A000030, A000045. Sequence in context: A111972 A073458 A194698 * A111891 A296076 A086858 Adjacent sequences: A105516 A105517 A105518 * A105520 A105521 A105522 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Apr 11 2005 STATUS approved

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Last modified December 7 15:01 EST 2022. Contains 358667 sequences. (Running on oeis4.)