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A112450 Strong pseudoprimes (base-2) equal to product of 3 primes not necessarily distinct. +0
1
15841, 29341, 52633, 74665, 252601, 314821, 476971, 635401, 1004653, 1023121, 1907851, 1909001, 2419385, 2953711, 3581761, 4335241, 4682833, 5049001, 5444489, 5599765, 5681809, 9069229, 13421773, 15247621, 15510041, 15603391 (list; graph; listen)
OFFSET

1,1
EXAMPLE

a(1)=15841=7*31*73

CROSSREFS

Cf. A001262.

Sequence in context: A134121 A116493 A061733 this_sequence A063847 A101320 A031811

Adjacent sequences: A112447 A112448 A112449 this_sequence A112451 A112452 A112453

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Dec 12 2005

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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