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A104372
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Primes of the form A104350(k) + 1.
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9
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2, 3, 7, 13, 61, 181, 2521, 7561, 415801, 1247401, 1099944846001, 146100174169950001, 1156675078903494150001, 750321420485151941966263672363958662088980270355720625000001
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[FoldList[Times, Array[FactorInteger[#][[-1, 1]] &, 100]] + 1, PrimeQ] (* Amiram Eldar, Apr 08 2024 *)
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PROG
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(PARI) gpf(n) = {my(p = factor(n)[, 1]); if(n == 1, 1, p[#p]); }
lista(nmax) = {my(r = 1); for(k = 1, nmax, r * = gpf(k); if(isprime(r+1), print1(r+1, ", "))); } \\ Amiram Eldar, Apr 08 2024
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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