id:A062561 - OEIS Search Results

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3*binomial(2n,n-1).

+0
1

0, 3, 12, 45, 168, 630, 2376, 9009, 34320, 131274, 503880, 1939938, 7488432, 28973100, 112326480, 436268025, 1697168160, 6611884290, 25792489800, 100734001830, 393847225200, 1541374822260, 6037849200240, 23671113341850 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) for(n=0, 22, print(3binomial(2n, n-1)))`
	CROSSREFS	`Cf. A001791.` `Adjacent sequences: A062558 A062559 A062560 this_sequence A062562 A062563 A062564` `Sequence in context: A005656 A064017 A005320 this_sequence A128593 A085481 A030195`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (jcearls(AT)cableone.net), Jul 13 2001`

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Last modified May 16 19:35 EDT 2008. Contains 139737 sequences.

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