A116447 - OEIS

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A116447

a(2n) = n, a(2n+1) = n!.

0, 1, 1, 1, 2, 2, 3, 6, 4, 24, 5, 120, 6, 720, 7, 5040, 8, 40320, 9, 362880, 10, 3628800, 11, 39916800, 12, 479001600, 13, 6227020800, 14, 87178291200, 15, 1307674368000, 16, 20922789888000, 17, 355687428096000, 18, 6402373705728000, 19, 121645100408832000 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	CROSSREFS	`Cf. A051340.` `Sequence in context: A193862 A185810 A015050 * A137757 A132886 A119272` `Adjacent sequences: A116444 A116445 A116446 * A116448 A116449 A116450`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Mar 15 2006`
	EXTENSIONS	`More terms from Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jun 02 2006`

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Last modified February 16 05:32 EST 2012. Contains 205860 sequences.