id:A112451 - OEIS Search Results

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Strong pseudoprimes (base-2) equal to product of 4 primes not necessarily distinct.

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800605, 4502485, 5310721, 7177105, 9995671, 10655905, 11473885, 13216141, 15698431, 21417991, 22564081, 29878381, 36338653, 38624041, 43397551, 45485881, 45769645, 48369727, 51340807, 57561085, 77576401, 81445585 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=800605=513109*113`
	CROSSREFS	`Cf. A001262.` `Sequence in context: A022203 A053086 A106781 this_sequence A069338 A083617 A057069` `Adjacent sequences: A112448 A112449 A112450 this_sequence A112452 A112453 A112454`
	KEYWORD	`nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Dec 12 2005`

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

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