id:A008835 - OEIS Search Results

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Largest 4th power dividing n.

+0
11

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 16, 81 (list; graph; listen)

	OFFSET	`1,16`
	COMMENT	`Multiplicative with a(p^e) = p^(4[e/4]). - Mitch Harris, Apr 19 2005.`
	LINKS	`H. Bottomley, Some Smarandache-type multiplicative sequences`
	FORMULA	`a(n)=A000188(A000188(n))^4` `Multiplicative with a(p^e) = p^(4[e/4]).`
	MAPLE	`with(numtheory): [ seq( expand(nthpow(i, 4)), i=1..200) ];`
	CROSSREFS	`Cf. A000190, A008833, A008834.` `Sequence in context: A111979 A081263 A050467 this_sequence A040259 A040260 A040258` `Adjacent sequences: A008832 A008833 A008834 this_sequence A008836 A008837 A008838`
	KEYWORD	`nonn,easy,mult`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`
	EXTENSIONS	`Entry improved by comments from Henry Bottomley (se16(AT)btinternet.com), Feb 29 2000`

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

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