id:A130331 - OEIS Search Results

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Number of divisors of A123240(n).

+0
1

4, 4, 4, 6, 4, 4, 6, 6, 4, 4, 4, 4, 6, 6, 4, 4, 4, 9, 4, 4, 6, 6, 4, 10, 6, 4, 6, 4, 4, 4, 12, 4, 6, 7, 4, 6, 4, 12, 4, 6, 6, 4, 10, 4, 12, 4, 4, 4, 12, 4, 6, 4, 4, 4, 12, 6, 6, 9, 4, 12, 4, 10, 4, 6, 6, 4, 4, 16, 4, 4, 6, 4, 12, 4, 12, 4, 4, 12, 4, 4, 4, 15, 4, 4, 6, 6, 12, 6, 4, 12, 4, 4, 12, 4, 10, 6, 4 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`By definition, each term is in A001690. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 15 2008`
	FORMULA	`a(n) = A000005(A123240(n)) . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 15 2008`
	CROSSREFS	`Cf. A000379, A123240.` `Sequence in context: A074904 A010304 A164821 this_sequence A141241 A140696 A160401` `Adjacent sequences: A130328 A130329 A130330 this_sequence A130332 A130333 A130334`
	KEYWORD	`easy,nonn`
	AUTHOR	`Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Aug 07 2007`
	EXTENSIONS	`More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 15 2008`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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