id:A052204 - OEIS Search Results

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a(n)=(5n+1)*C(4n,n)/(3n+1).

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1, 6, 44, 352, 2940, 25194, 219604, 1937520, 17250012, 154663960, 1394538288, 12631852688, 114858935204, 1047772373340, 9584557428600, 87885886492320, 807564936805020, 7434289153896264, 68551275793965328, 633038816547052800 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A002293 and A051945.` `Sequence in context: A082412 A108452 A005591 this_sequence A090442 A084965 A001852` `Adjacent sequences: A052201 A052202 A052203 this_sequence A052205 A052206 A052207`
	KEYWORD	`easy,nonn`
	AUTHOR	`Barry E. Williams, Jan 28 2000`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jan 31 2000`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

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