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A309772
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Least common multiple of prime(n+1)+1 and prime(n)+1.
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1
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12, 12, 24, 24, 84, 126, 180, 120, 120, 480, 608, 798, 924, 528, 432, 540, 1860, 2108, 1224, 2664, 2960, 1680, 1260, 4410, 4998, 5304, 2808, 5940, 6270, 7296, 4224, 3036, 9660, 2100, 11400, 12008, 12956, 6888, 4872, 5220, 16380, 17472, 18624, 19206, 19800, 10600
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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MAPLE
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P:= [seq(ithprime(i), i=1..100)]:
seq(ilcm(P[i]+1, P[i+1]+1), i=1..99); # Robert Israel, Aug 16 2019
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MATHEMATICA
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Array[LCM[Prime[#] + 1, Prime[# + 1] + 1] &, 50] (* Amiram Eldar, Aug 16 2019 *)
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PROG
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(Magma) [Lcm(1+NthPrime(n), 1+NthPrime(n+1)):n in [1..50]]; // Marius A. Burtea, Aug 16 2019
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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