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 A220081 Primes of the form 15*n^2 - 15*n + 17. 1
 17, 47, 107, 197, 317, 467, 647, 857, 1097, 1367, 1667, 1997, 2357, 3167, 3617, 5147, 5717, 6317, 6947, 7607, 8297, 9767, 12197, 13967, 14897, 18917, 19997, 21107, 22247, 23417, 25847, 27107, 29717, 33857, 36767, 41357, 51347, 53117, 54917, 56747, 60497 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The formula gives consecutive primes for n from 0 to 13. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 Eric Weisstein's World of Mathematics, Prime-Generating Polynomial MATHEMATICA Select[Table[15 n^2 - 15 n + 17, {n, 1, 100}], PrimeQ] PROG (Magma) [a: n in [1..100] | IsPrime(a) where a is 15*n^2 -15*n + 17 ] CROSSREFS Cf. A000040, A005846, A156252. Subsequence of A030432, A039949, A141860. Sequence in context: A031374 A201792 A039949 * A229448 A155841 A147058 Adjacent sequences: A220078 A220079 A220080 * A220082 A220083 A220084 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Dec 17 2012 STATUS approved

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Last modified September 26 00:10 EDT 2023. Contains 365649 sequences. (Running on oeis4.)