id:A008775 - OEIS Search Results

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Expansion of 2(1 + cos x cosh x )^-1.

+0
2

1, 2, 272, 261392, 923578112, 8687146706432, 179207715900772352, 7123449535546491471872, 497301503279765920504020992, 56869795869126246818618490355712 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`Goulden and Jackson, Combin. Enum., Wiley, 1983 p. 287.`
	CROSSREFS	`Cf. A101921.` `Adjacent sequences: A008772 A008773 A008774 this_sequence A008776 A008777 A008778` `Sequence in context: A007512 A048534 A135696 this_sequence A119553 A093938 A080296`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified May 16 01:24 EDT 2008. Contains 139630 sequences.

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