id:A081698 - OEIS Search Results

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Expansion of ( 1 - Sqrt[ 1 - 4 x Sqrt[ 1 + 4 x ] ] )/( 2 x ).

+0
2

1, 3, 4, 21, 56, 282, 984, 4813, 19280, 93150, 403672, 1945954, 8845360, 42766292, 200419504, 974134461, 4659558048, 22785183670, 110564976792, 543935554390, 2667398588272, 13196971915628, 65238895435792, 324431740601618 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`G.f.: ( 1 - Sqrt[ 1 - 4 x Sqrt[ 1 + 4 x ] ] )/( 2 x )`
	CROSSREFS	`Cf. A081696.` `Sequence in context: A034475 A156173 A094632 this_sequence A012123 A012255 A012247` `Adjacent sequences: A081695 A081696 A081697 this_sequence A081699 A081700 A081701`
	KEYWORD	`easy,nonn`
	AUTHOR	`Emanuele Munarini (munarini(AT)mate.polimi.it), Apr 02 2003`

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.

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