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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
OFFSET
0,1
COMMENTS
a(1)+1, a(2)+1 and a(3)+1 are squares.
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
KEYWORD
nonn
AUTHOR
Jaume Oliver Lafont, Sep 20 2009
STATUS
approved