id:A031353 - OEIS Search Results

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7-multiplicative persistence: number of iterations of "multiply 7th powers of digits" needed to reach 0 or 1.

+0
1

0, 4, 3, 3, 3, 3, 3, 2, 3, 1, 1, 4, 3, 3, 3, 3, 3, 2, 3, 1, 4, 3, 3, 2, 2, 2, 2, 3, 2, 1, 3, 3, 3, 2, 2, 2, 2, 3, 2, 1, 3, 2, 2, 3, 2, 3, 3, 3, 2, 1, 3, 2, 2, 2, 2, 2, 3, 2, 3, 1, 3, 2, 2, 3, 2, 2, 2, 2, 2, 1, 3, 2, 2, 3, 3, 2, 2, 2, 2, 1, 2, 3, 3, 3, 2, 2, 2, 2, 2, 1, 3, 2, 2, 2, 3, 2, 2, 2, 3 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Adjacent sequences: A031350 A031351 A031352 this_sequence A031354 A031355 A031356` `Sequence in context: A117691 A143487 A031350 this_sequence A085415 A059124 A026858`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified November 3 12:59 EST 2009. Contains 165766 sequences.

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