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A079163 Number of 9's in n# (n primorial) = 9's in A002110(n). 1
0, 0, 0, 0, 0, 0, 0, 4, 1, 2, 1, 0, 0, 0, 2, 2, 2, 3, 2, 5, 4, 3, 4, 1, 2, 2, 4, 7, 7, 4, 6, 6, 3, 7, 4, 8, 7, 5, 11, 11, 8, 7, 14, 8, 8, 13, 10, 8, 5, 16, 6, 8, 10, 5, 14, 14, 14, 12, 15, 15, 15, 11, 7, 12, 14, 13, 18, 15, 17, 10, 17, 13, 18, 14, 13, 16, 20, 16, 14, 17, 19, 19, 18, 22, 13, 19 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,8
LINKS
MATHEMATICA
DigitCount[#, 10, 9]&/@Rest[FoldList[Times, 1, Prime[Range[90]]]] (* Harvey P. Dale, Dec 07 2011 *)
PROG
(PARI) See program in Number of 0's in n#
CROSSREFS
Cf. A002110.
Sequence in context: A274438 A365387 A087565 * A108536 A232631 A153094
KEYWORD
easy,nonn
AUTHOR
Cino Hilliard, Feb 03 2003
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)