id:A162546 - OEIS Search Results

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A Somos-4 variant: a(n)=(36*a(n-1)*a(n-3)-68*a(n-2)^2)/a(n-4).

+0
3

1, 1, -16, -644, -40592, -4821056, 17059328, 2492895195136, 10659285907800064, 86296767700623425536, 1081586547380924161458176, -36649408809924048998874742784, -18144416387824430577315746611724288 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Hankel transform of A162543, A162548.`
	CROSSREFS	`Sequence in context: A091496 A139166 A128048 this_sequence A014733 A053907 A036513` `Adjacent sequences: A162543 A162544 A162545 this_sequence A162547 A162548 A162549`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jul 05 2009`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research