id:A144482 - OEIS Search Results

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Semiprimes that are a product of Mersenne primes.

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9, 21, 49, 93, 217, 381, 889, 961, 3937, 16129, 24573, 57337, 253921, 393213, 917497, 1040257, 1572861, 3670009, 4063201, 16252897, 16646017, 66584449, 67092481, 1073602561, 4294434817, 6442450941, 15032385529, 17179607041 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A000668, A001358, A144856.` `Sequence in context: A133762 A160414 A118130 this_sequence A134717 A147169 A127989` `Adjacent sequences: A144479 A144480 A144481 this_sequence A144483 A144484 A144485`
	KEYWORD	`nonn`
	AUTHOR	`G. L. Honaker, Jr. (honak3r(AT)gmail.com), Oct 12 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research