id:A131656 - OEIS Search Results

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Principal number of K. Saito for tree of type E_n.

+0
2

-1, 3, 0, 3, 5, 18, 66, 298, 1511, 8670, 55168, 386394, 2951673, 24428654, 217723390, 2079109386, 21177620171, 229195610430, 2626388037372, 31768201320634, 404485298533085, 5407570127090958, 75736453324821754, 1108952444876609898, 16943545270848408495 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`Y. Sano, The principal numbers of K. Saito for the types A_l, D_l and E_l, Discr. Math., 307 (2007), 2636-2642.`
	CROSSREFS	`Same as A131611 except for leading terms. Cf. A000111, A131281, A034428.` `Adjacent sequences: A131653 A131654 A131655 this_sequence A131657 A131658 A131659` `Sequence in context: A127749 A138188 A014715 this_sequence A120987 A011076 A010599`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Oct 30 2007`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.

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