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A060357
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a(n) = smallest prime > lcm(1..n).
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5
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2, 2, 3, 7, 13, 61, 61, 421, 853, 2521, 2521, 27733, 27733, 360391, 360391, 360391, 720743, 12252259, 12252259, 232792561, 232792561, 232792561, 232792561, 5354228921, 5354228921, 26771144401, 26771144401, 80313433231, 80313433231, 2329089562843, 2329089562843
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OFFSET
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0,1
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LINKS
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FORMULA
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MAPLE
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[seq(nextprime(A003418(n)), n=0..60)];
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MATHEMATICA
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Join[{2}, Table[NextPrime[LCM@@Range[n], 1], {n, 1, 30}]] (* Vincenzo Librandi, Mar 20 2018 *)
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PROG
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(PARI) a(n) = nextprime(lcm([1..n])+1); \\ Michel Marcus, Mar 18 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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