id:A031350 - OEIS Search Results

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4-multiplicative persistence: number of iterations of "multiply 4th powers of digits" needed to reach 0 or 1.

+0
1

0, 4, 3, 3, 3, 3, 2, 2, 3, 1, 1, 4, 3, 3, 3, 3, 2, 2, 3, 1, 4, 3, 3, 2, 2, 2, 3, 3, 2, 1, 3, 3, 3, 2, 2, 2, 3, 3, 3, 1, 3, 2, 2, 3, 2, 3, 3, 2, 3, 1, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 3, 2, 2, 3, 2, 3, 3, 2, 2, 1, 2, 3, 3, 3, 2, 3, 2, 3, 3, 1, 2, 3, 3, 2, 2, 2, 3, 3, 3, 1, 3, 2, 3, 3, 2, 2, 3, 3, 2 (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: A031347 A031348 A031349 this_sequence A031351 A031352 A031353` `Sequence in context: A016502 A117691 A143487 this_sequence A031353 A085415 A059124`
	KEYWORD	`nonn`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`

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Last modified November 7 16:45 EST 2009. Contains 166093 sequences.

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