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 A162454 Primes of the form (prime(j)#)^2 + prime(j)# + 1. 1
 7, 43, 901830931 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Generated from prime(j)# = A002110(j) at j= 1, 2, 6, 115, 152, ... [R. J. Mathar, Jul 10 2009] a(6) ~ 4.145...*10^2477 corresponds to j = 420. - Amiram Eldar, Jul 18 2019 LINKS Amiram Eldar, Table of n, a(n) for n = 1..5 MATHEMATICA Select[Table[(Product[Prime[i], {i, 1, j}])^2 + Product[Prime[i], {i, 1, j}]+1, {j, 1, 10}], PrimeQ] CROSSREFS Cf. A002110. Sequence in context: A258182 A048605 A165210 * A203210 A323923 A026116 Adjacent sequences:  A162451 A162452 A162453 * A162455 A162456 A162457 KEYWORD nonn,bref AUTHOR Daniel Tisdale, Jul 03 2009 STATUS approved

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Last modified April 15 07:16 EDT 2021. Contains 342975 sequences. (Running on oeis4.)