id:A162641 - OEIS Search Results

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Number of even exponents in canonical prime factorization of n.

+0
2

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

	OFFSET	`1,36`
	COMMENT	`a(n) = A001221(n) - A162642(n);` `a(A002035(n)) = 0; a(A072587(n)) > 0.`
	CROSSREFS	`Sequence in context: A086078 A014082 A102354 this_sequence A087781 A056626 A091398` `Adjacent sequences: A162638 A162639 A162640 this_sequence A162642 A162643 A162644`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 08 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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