id:A145606 - OEIS Search Results

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Largest number x such that x and x+1 are prime(n)-smooth but not prime(n-1)-smooth.

+0
4

1, 8, 80, 4374, 9800, 123200, 336140, 11859210, 5142500, 177182720, 1611308699, 3463199999, 63927525375, 421138799639, 1109496723125 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Note that this sequence is not always increasing. For many n, a(n) is the same as A002072(n). See A145605 for a triangle of values.`
	CROSSREFS	`Sequence in context: A097815 A002718 A057707 this_sequence A002072 A067449 A078292` `Adjacent sequences: A145603 A145604 A145605 this_sequence A145607 A145608 A145609`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Oct 14 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research