id:A061083 - OEIS Search Results

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Fibonacci-type sequence based on division: a(0) = 1, a(1) = 2 and a(n) = a(n-2)/a(n-1) but ignore decimal point.

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2

1, 2, 5, 4, 125, 32, 390625, 8192, 476837158203125, 17179869184, 277555756156289135105907917022705078125, 618970019642690137449562112 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = k^(n-th Fibonacci number) with k=2 if n is odd, k=5 if n is even`
	EXAMPLE	`a(6) = 390625, since a(4)/a(5) = 125/32 = 3.90625`
	CROSSREFS	`Cf. A061084 for subtraction, A000301 for multiplication and A000045 for addition - the common Fibonacci numbers` `Sequence in context: A107732 A111364 A128202 this_sequence A075102 A021396 A160177` `Adjacent sequences: A061080 A061081 A061082 this_sequence A061084 A061085 A061086`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`Ulrich Schimke (ulrschimke(AT)aol.com)`

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

AT&T Labs Research