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A112444
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Pseudoprimes (base-2) equal to the product of 6 primes not necessarily distinct.
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1
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45593065, 68800501, 81722145, 110851741, 192112921, 226018585, 238018341, 250385401, 265729465, 272479285, 321197185, 329379505, 332633665, 353987481, 357339745, 358466361, 413631505, 415702105, 416392005, 417241045, 421121701, 464790781, 476177905, 483532105
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(1) = 45593065 = 5*7*17*19*37*109.
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MATHEMATICA
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s={}; Do[If[PrimeOmega[n] == 6 && PowerMod[2, n - 1, n] == 1, AppendTo[s, n]], {n, 1, 10^8}]; s (* Amiram Eldar, Nov 10 2019 *)
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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