id:A050489 - OEIS Search Results

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C(n)*(10n+1) where C(n)=Catalan numbers (A000108).

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1, 11, 42, 155, 574, 2142, 8052, 30459, 115830, 442442, 1696396, 6525246, 25169452, 97319900, 377096040, 1463721595, 5692584870, 22169259090, 86452604700, 337547269290, 1319388204420 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.`
	CROSSREFS	`Cf. A017173, A027810 and A000108.` `Sequence in context: A055436 A062517 A027978 this_sequence A156533 A096638 A089712` `Adjacent sequences: A050486 A050487 A050488 this_sequence A050490 A050491 A050492`
	KEYWORD	`easy,nonn`
	AUTHOR	`Barry E. Williams, Dec 27 1999`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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