id:A093146 - OEIS Search Results

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Third binomial transform of Pell(3n-1).

+0
2

1, 5, 50, 750, 12500, 212500, 3625000, 61875000, 1056250000, 18031250000, 307812500000, 5254687500000, 89703125000000, 1531328125000000, 26141406250000000, 446261718750000000, 7618164062500000000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: (1-15x)/(1-20x+50x^2); a(n)=(10+5sqrt(2))^n(1/2-sqrt(2)/4)+(10-5sqrt(2))^n(1/2+sqrt(2)/4).`
	CROSSREFS	`Cf. A000129, A093144, A093147.` `Sequence in context: A156058 A047736 A141316 this_sequence A049393 A047054 A052562` `Adjacent sequences: A093143 A093144 A093145 this_sequence A093147 A093148 A093149`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 26 2004`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research