id:A081670 - OEIS Search Results

Search: id:A081670

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3^n-1+C(2n,n).

+0
2

1, 4, 14, 46, 150, 494, 1652, 5618, 19430, 68302, 243804, 882578, 3235596, 11994922, 44899568, 169466426, 644127110, 2462746382, 9462555788, 36507525266, 141333313220, 548718227642, 2135480023328, 8327573906426, 32530033219580 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A081669`
	FORMULA	`a(n)=A000984(n)+2*A003462(n) E.g.f. exp(3x)-exp(x)+exp(2x)BesselI_0(2x)`
	CROSSREFS	`Adjacent sequences: A081667 A081668 A081669 this_sequence A081671 A081672 A081673` `Sequence in context: A026290 A027649 A049221 this_sequence A124805 A121530 A121299`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 28 2003`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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