id:A056221 - OEIS Search Results

Search: id:A056221

Displaying 1-1 of 1 results found.

page 1

Image of primes (A000040) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.

+0
2

-1, 4, -6, 30, -18, 42, -30, -22, 128, -112, 98, 90, -78, -70, 36, 248, -232, 158, 150, -280, 182, -142, -130, 420, 210, -198, 222, -210, -1074, 1326, -238, 560, -1092, 1212, -592, 36, 350, -310, 36, 728, -1428, 1548, -378, 402, -1966, 144, 1832, 462, -450, -442 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = determinant of matrix` `\| p(n-1) p(n)\|` `\| p(n) p(n+1)\| - Zak Seidov (zakseidov(AT)yahoo.com), Jul 23 2008`
	CROSSREFS	`Sequence in context: A122113 A093815 A142859 this_sequence A046849 A090530 A154667` `Adjacent sequences: A056218 A056219 A056220 this_sequence A056222 A056223 A056224`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Aug 06 2000`

page 1

Search completed in 0.002 seconds

Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

AT&T Labs Research