A024487 - OEIS

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A024487

a(n) = (1/(4n+2))*M(3n; n,n,n).

1, 9, 120, 1925, 34398, 659736, 13302432, 278397405, 5996669250, 132166590270, 2967978162240, 6769435250424 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A159660 A061172 A167593 * A002691 A157930 A017102` `Adjacent sequences: A024484 A024485 A024486 * A024488 A024489 A024490`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified February 15 11:03 EST 2012. Contains 205763 sequences.