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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 May 16 11:07 EDT 2021. Contains 343941 sequences. (Running on oeis4.)