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 A243891 Primes of the form 2*n^2 + 62*n + 29. 2
 233, 389, 653, 953, 1061, 1289, 1409, 2069, 2213, 4253, 4649, 5273, 6869, 8933, 9209, 10061, 10949, 13829, 15569, 16661, 17033, 17789, 24413, 26693, 28109, 32573, 35729, 36269, 37361, 42473, 44249, 46061, 48533, 51713, 52361, 55661, 56333, 57689, 59753 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A040117. Conjecture: except 4253, 2^a(n) - 1 is not prime; in other words, these primes are included in A054723. 2*a(n) + 903 is a square. - Vincenzo Librandi, Jun 29 2016 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Table[2 n^2 + 62 n + 29, {n, 200}], PrimeQ] PROG (Magma) [a: n in [1..200] | IsPrime(a) where a is 2*n^2+62*n+29]; CROSSREFS Cf. A040117. Cf. similar sequences listed in A243888. Sequence in context: A141280 A097446 A154621 * A142644 A302004 A308786 Adjacent sequences: A243888 A243889 A243890 * A243892 A243893 A243894 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Jun 16 2014 STATUS approved

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Last modified March 30 13:38 EDT 2023. Contains 361621 sequences. (Running on oeis4.)