id:A160567 - OEIS Search Results

Search: id:A160567

Displaying 1-1 of 1 results found.

page 1

a(n)=4*(a(n-1)a(n-3)-a(n-2)^2)/a(n-4), a(1)=a(2)=a(3)=1, a(4)=-4.

+0
1

1, 1, 1, -4, -20, -144, 704, 34816, 1101824, 12124160, -4499439616, -586464362496, -99309307559936, 33947352788107264, 26466630265219317760, 25787111566764821970944, -7045529183328701486465024 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`a(n+1) is the Hankel transform of A160565.`
	CROSSREFS	`Cf. A050512.` `Sequence in context: A129099 A098541 A004204 this_sequence A034216 A144009 A117887` `Adjacent sequences: A160564 A160565 A160566 this_sequence A160568 A160569 A160570`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 19 2009`

page 1

Search completed in 0.002 seconds

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research