A014336 - OEIS

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A014336

Three-fold exponential convolution of Fibonacci numbers with themselves.

0, 0, 0, 6, 36, 210, 1080, 5460, 26964, 132294, 645480, 3142590, 15277680, 74222616, 360445176, 1750067430, 8496115740, 41243946330, 200209950504, 971859585804, 4717557894060, 22899644483430, 111157568501760 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	LINKS	`Nathaniel Johnston, Table of n, a(n) for n = 0..500`
	FORMULA	`(1/5)[3^nFibonacci(n) - 3Fibonacci(2n)]. - R. Stephan, May 14 2004`
	MAPLE	`with(combinat):A014336:=proc(n)return (1/5)(3^nfibonacci(n)-3fibonacci(2n)):end:` `seq(A014336(n), n=0..22); # Nathaniel Johnston, Apr 18 2011`
	PROG	`(MAGMA) [(1/5)(3^nFibonacci(n) - 3Fibonacci(2n)): n in [0..30]]; // Vincenzo Librandi, Apr 18 2011`
	CROSSREFS	`Cf. A000045.` `Sequence in context: A006812 A111989 A064238 * A027910 A075848 A096979` `Adjacent sequences: A014333 A014334 A014335 * A014337 A014338 A014339`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 23:08 EST 2012. Contains 206085 sequences.