id:A096124 - OEIS Search Results

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a(n) is the exponent of 5 in x = 2^m*5^n, where x = b(n)-b(n-1) and b(n) and b(n-1) are consecutive terms in A050649.

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1, 4, 11, 27, 72 (list; graph; listen)

	OFFSET	`2,2`
	EXAMPLE	`a(3) = 4: b(3)-b(2) = 2512-12 = 2500; 2500 = 2^2*5^4, hence a(3)=4.`
	CROSSREFS	`Cf. A050649.` `Sequence in context: A027439 A108985 A014151 this_sequence A090539 A113478 A056601` `Adjacent sequences: A096121 A096122 A096123 this_sequence A096125 A096126 A096127`
	KEYWORD	`nonn`
	AUTHOR	`Ray G. Opao (1260(AT)email.com), Jul 23 2004`

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Last modified December 20 13:54 EST 2009. Contains 171081 sequences.