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Search: id:A159293
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| 3, 5, 13, 73, 241, 241, 2521, 3361, 15121, 15121, 55441, 55441, 4324321, 4324321, 4324321, 4324321, 196035841, 196035841, 1862340481, 1862340481, 1862340481, 1862340481, 10708457761, 10708457761, 214169155201, 214169155201
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OFFSET
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1,1
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MATHEMATICA
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L1=2; A1={3}; Do[L1=LCM[L1, n]; k=1; While[ !PrimeQ[p=k*L1+1], k++ ]; Print[p]; AppendTo[A1, n], {n, 4, 60, 2}]
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CROSSREFS
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A051426 Least common multiple of {2, 4, 6..., 2n}.
Sequence in context: A153207 A144718 A066141 this_sequence A051901 A018928 A053630
Adjacent sequences: A159290 A159291 A159292 this_sequence A159294 A159295 A159296
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Apr 09 2009
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