A052204 - OEIS

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A052204

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

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

	OFFSET	`0,2`
	FORMULA	`G.f.: (2g-1)g/(4-3g) where g = 1+xg^4 is the g.f. of A002293. - Mark van Hoeij, Nov 11 2011`
	CROSSREFS	`Cf. A002293 and A051945.` `Sequence in context: A082412 A108452 A005591 * A147688 A090442 A084965` `Adjacent sequences: A052201 A052202 A052203 * 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 February 17 17:51 EST 2012. Contains 206061 sequences.