A103673 - OEIS

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A103673

If in binary representation n! contains 5! then 1 else 0.

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

	OFFSET	`0,1`
	COMMENTS	`a(A103676(n)) = 1, a(A103677(n)) = 0.`
	LINKS	`Index entries for characteristic functions` `Index entries for sequences related to factorial numbers` `Index entries for sequences related to binary expansion of n`
	CROSSREFS	`Cf. A102730, A036603, A007088, A000142, A103674, A103675.` `Sequence in context: A044936 A133944 A094912 * A028862 A011673 A104853` `Adjacent sequences: A103670 A103671 A103672 * A103674 A103675 A103676`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 12 2005`

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.