id:A067305 - OEIS Search Results

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Second column of triangle A067304.

+0
2

1, 5, 36, 328, 3440, 39408, 478912, 6068480, 79315200, 1061628160, 14480086016, 200540018688, 2812618092544, 39867889037312, 570237130752000, 8219880968028160, 119293333282291712, 1741605394647416832 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)= A067304(n+1, 1) = A067297(n+1) - A064340(n+1), n>=0.` `G.f.: 4(3+c(4x))(c(4x)^3)/(1+c(4*x))^4 with c(x) g.f. of A000108 (Catalan).`
	CROSSREFS	`Sequence in context: A027331 A091161 A135149 this_sequence A000806 A127132 A141764` `Adjacent sequences: A067302 A067303 A067304 this_sequence A067306 A067307 A067308`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Feb 05 2002`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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