id:A071533 - OEIS Search Results

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Determinant of n X n matrix of form [1 2 3 0 0 0 0 0 0 0 / 2 1 2 3 0 0 0 0 0 0 / 3 2 1 2 3 0 0 0 0 0 / 0 3 2 1 2 3 0 0 0 0 / 0 0 3 2 1 2 3 0 0 0 / 0 0 0 3 2 1 2 3 0 0 / 0 0 0 0 3 2 1 2 3 0 / 0 0 0 0 0 3 2 1 2 3 / 0 0 0 0 0 0 3 2 1 2 / 0 0 0 0 0 0 0 3 2 1].

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1, -3, 8, 44, 192, -323, 289, 4641, 10520, 4400, -68280, 484561, 808201, 488157, -2948752, 17408204, 130987992, -65477123, 11580409, 658776561, 9777980240, 8114321600, -39315892560, 138239377921, 475273738801, 1607488031517, -3426809717512, 4583117135564 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`G.f.: x(243x^4+54x^3+3x^2-x+1)/[(1-3x)(1+5x+16x^2+45x^3+81x^4)].`
	CROSSREFS	`Sequence in context: A051763 A074435 A039647 this_sequence A000240 A132103 A040018` `Adjacent sequences: A071530 A071531 A071532 this_sequence A071534 A071535 A071536`
	KEYWORD	`easy,sign`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 20 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research