id:A025646 - OEIS Search Results

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Exponent of 4 (value of i) in n-th number of form 4^i*5^j.

+0
2

0, 1, 0, 2, 1, 0, 3, 2, 1, 0, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 8, 0, 7, 6, 5, 4, 3, 2, 9, 1, 8, 0, 7, 6, 5, 4, 3, 10, 2, 9, 1, 8, 0, 7, 6, 5, 4, 11, 3, 10, 2, 9, 1, 8, 0, 7, 6, 5, 12, 4, 11, 3, 10, 2, 9, 1, 8, 0, 7, 6, 13, 5, 12, 4, 11, 3, 10, 2, 9, 1, 8, 0, 7, 14, 6, 13 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Differs from A025661 at a(1881).` `Sequence in context: A025651 A025670 A122200 this_sequence A025661 A025671 A025652` `Adjacent sequences: A025643 A025644 A025645 this_sequence A025647 A025648 A025649`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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