id:A083896 - OEIS Search Results

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

+0
11

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; listen)

	OFFSET	`1,90`
	COMMENT	`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 this_sequence A084115 A080028 A143223` `Adjacent sequences: A083893 A083894 A083895 this_sequence A083897 A083898 A083899`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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