id:A073494 - OEIS Search Results

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Numbers having exactly two prime gaps in their factorization.

+0
6

110, 130, 170, 182, 190, 220, 230, 238, 260, 266, 273, 290, 310, 322, 340, 357, 364, 370, 374, 380, 399, 406, 410, 418, 430, 434, 440, 460, 470, 476, 483, 494, 506, 518, 520, 530, 532, 546, 550, 561, 574, 580, 590, 598, 602, 609, 610, 620, 627, 638, 644 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A073490(a(n)) = 2.`
	EXAMPLE	`220 is a term, as 220 = 225*11 with two gaps: between 2 and 5 and between 5 and 11.`
	CROSSREFS	`Cf. A005117, A073492, A073493, A073495, A073488.` `Sequence in context: A101317 A059469 A114068 this_sequence A073488 A039447 A095611` `Adjacent sequences: A073491 A073492 A073493 this_sequence A073495 A073496 A073497`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 03 2002`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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