A083896 - OEIS

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A083896

Number of divisors of n with largest digit = 9 (base 10).

0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,90`
	COMMENTS	`a(n) = A000005(n) - A083888(n) - A083889(n) - A083890(n) - A083891(n) - A083892(n) - A083893(n) - A083894(n) - A083895(n) = A000005(n) - A083903(n).`
	EXAMPLE	`n=117, 2 of the 6 divisors of 117 have largest digit =9: {9,39},` `therefore a(117)=2.`
	CROSSREFS	`Cf. A054055, A000005.` `Sequence in context: A157196 A063014 A097295 * A084115 A080028 A143223` `Adjacent sequences: A083893 A083894 A083895 * A083897 A083898 A083899`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003`

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.