id:A122025 - OEIS Search Results

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A122025

a(n) = (3*a(n-1)a(n-4)-a(n-2)a(n-3))/a(n-5).

+0
1

1, 1, 1, 1, 1, 2, 5, 13, 29, 109, 629, 4274, 23329, 170353, 2034385, 35152177, 494532481, 7768108946, 176258003381, 7248370100941, 266967020984381, 9997125891977197, 431397731193035525, 38079906742644329378 (list; graph; listen)

	OFFSET	`1,6`
	MATHEMATICA	`a[n_] := a[n] = (3a[n - 1]a[n - 4] - a[n - 2]a[n - 3])/a[n - 5]; a[0] = 1; a[1] = 1; a[2] = 1; a[3] = 1; a[4] = 1; Table[a[n], {n, 0, 30}]`
	CROSSREFS	`Cf. A006731, A006722.` `Adjacent sequences: A122022 A122023 A122024 this_sequence A122026 A122027 A122028` `Sequence in context: A079991 A091270 A045703 this_sequence A057873 A116699 A054127`
	KEYWORD	`nonn`
	AUTHOR	`Roger Bagula (rlbagulatftn(AT)yahoo.com), Sep 13 2006`
	EXTENSIONS	`Edited by njas, Sep 17 2006`

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.

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