id:A036326 - OEIS Search Results

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Composite numbers n such that juxtaposition of prime factors of n has length 2.

+0
9

4, 6, 9, 10, 14, 15, 21, 25, 35, 49 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`There are exactly 10 such numbers.`
	CROSSREFS	`Cf. A036327-A036334, A046368.` `Sequence in context: A046368 A113433 A115654 this_sequence A078972 A115652 A084759` `Adjacent sequences: A036323 A036324 A036325 this_sequence A036327 A036328 A036329`
	KEYWORD	`nonn,base,fini,full`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1998.`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.