A083892 - OEIS

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A083892

Number of divisors of n with largest digit = 5 (base 10).

0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 1, 1, 1, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 1, 0, 1, 4 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,15`
	COMMENTS	`a(n) = A000005(n) - A083888(n) - A083889(n) - A083890(n) - A083891(n) - A083893(n) - A083894(n) - A083895(n) - A083896(n) = A083900(n) - A083899(n).`
	EXAMPLE	`n=125, 3 of the 4 divisors of 125 have largest digit =5:` `{5,25,125}, therefore a(125)=3.`
	CROSSREFS	`Cf. A054055, A000005, A083900.` `Sequence in context: A112765 A105966 A083915 * A089814 A063100 A127475` `Adjacent sequences: A083889 A083890 A083891 * A083893 A083894 A083895`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003`

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.