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 A271820 Primes of the form 236241327599 + 2*n^2. 4
 236241327599, 236241327601, 236241327607, 236241327617, 236241327631, 236241327649, 236241327671, 236241327697, 236241327727, 236241327761, 236241327799, 236241327841, 236241328177, 236241328751, 236241330049, 236241331831, 236241332207, 236241332401, 236241333649, 236241334799 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The first 12 primes correspond to the values of n from 0 to 11. The first term is a member of A271348. LINKS Eric Weisstein's World of Mathematics, Prime-generating Polynomial EXAMPLE For n=0, we get 236241327599, which is a prime as determined in A271348. For n=1, we get 236241327599 + 2*1^2 = 236241327601, which is a prime as determined in A271348. MATHEMATICA Select[Table[236241327599+2*n^2, {n, 0, 100}], PrimeQ] PROG (PARI) for(n=0, 100, isprime(236241327599+2*n^2) && print1(236241327599+2*n^2, ", ")) CROSSREFS Cf. A000040 (primes), A271348 (contains the first term), A050265, A007641, A271366, A271818, A271819 (similar sequences whose first term is in A271348). Sequence in context: A112431 A202725 A132908 * A204781 A288477 A268846 Adjacent sequences:  A271817 A271818 A271819 * A271821 A271822 A271823 KEYWORD nonn AUTHOR Waldemar Puszkarz, Apr 14 2016 STATUS approved

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Last modified December 14 12:04 EST 2019. Contains 329979 sequences. (Running on oeis4.)