id:A144635 - OEIS Search Results

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a(n) = 5^n*Sum_{ k=0..n } binomial(2*k,k)/5^k.

+0
10

1, 7, 41, 225, 1195, 6227, 32059, 163727, 831505, 4206145, 21215481, 106782837, 536618341, 2693492305, 13507578125, 67693008145, 339066121115, 1697664211795, 8497396194275, 42522326235175, 212749477704695, 1064285646397915, 5323532330953295, 26625895085494075 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A006134, A082590, A132310, A002457.` `Sequence in context: A034575 A084779 A081625 this_sequence A097165 A152268 A026002` `Adjacent sequences: A144632 A144633 A144634 this_sequence A144636 A144637 A144638`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jan 21 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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