id:A050491 - OEIS Search Results

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C(n)*(12n+1) where C(n)=Catalan numbers (A000108).

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1, 13, 50, 185, 686, 2562, 9636, 36465, 138710, 529958, 2032316, 7818538, 30161740, 116635300, 451980360, 1754766945, 6824030310, 26577181950, 103647597900, 404703270510, 1581953021220 (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. A017401, A027810 and A000108.` `Adjacent sequences: A050488 A050489 A050490 this_sequence A050492 A050493 A050494` `Sequence in context: A050410 A121991 A121990 this_sequence A022283 A135971 A108919`
	KEYWORD	`easy,nonn`
	AUTHOR	`Barry E. Williams, Dec 27 1999`

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

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