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 A165448 Product of prime numbers between 2^n+1 and 2^(n+1), inclusive. 0
 2, 3, 35, 143, 6678671, 584803025179, 34227405074603836560875299, 16008643688606125328574585946049488062084747136988251, 497369008478585535856296246658391242478488212329477774761792556414828431057586895468763959997722781406315137061 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS a(1)+1, a(2)+1 and a(3)+1 are squares. LINKS MATHEMATICA Table[Times@@Prime[Range[PrimePi[2^n]+1, PrimePi[2^(n+1)]]], {n, 0, 8}] (* Harvey P. Dale, Jul 20 2019 *) PROG (PARI) a(n)=prod(i=2^n+1, 2^(n+1), if(isprime(i), i, 1)) CROSSREFS Cf. A000040, A000079, A157625. Sequence in context: A141503 A199696 A234423 * A111459 A042663 A072291 Adjacent sequences:  A165445 A165446 A165447 * A165449 A165450 A165451 KEYWORD nonn AUTHOR Jaume Oliver Lafont, Sep 20 2009 STATUS approved

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Last modified September 30 00:37 EDT 2020. Contains 337432 sequences. (Running on oeis4.)