id:A083910 - OEIS Search Results

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Number of divisors of n that are congruent to 0 modulo 10.

+0
11

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,20`
	COMMENT	`a(n) = A000005(n) - A083911(n) - A083912(n) - A083913(n) - A083914(n) - A083915(n) - A083916(n) - A083917(n) - A083918(n) - A083919(n).`
	FORMULA	`a(10k) = tau(k) = A000005(k); a(n) = 0 if 10 does not divide n. - Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Apr 15 2007`
	CROSSREFS	`Cf. A010879, A000005, A001227.` `Sequence in context: A096159 A024155 A086008 this_sequence A069843 A069849 A138045` `Adjacent sequences: A083907 A083908 A083909 this_sequence A083911 A083912 A083913`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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