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A142797 Primes congruent to 49 mod 60. 2
109, 229, 349, 409, 709, 769, 829, 1009, 1069, 1129, 1249, 1429, 1489, 1549, 1609, 1669, 1789, 2029, 2089, 2269, 2389, 2689, 2749, 3049, 3109, 3169, 3229, 3469, 3529, 3709, 3769, 3889, 4129, 4549, 4729, 4789, 4909, 4969, 5209, 5449, 5569, 5689, 5749, 5869 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

FORMULA

a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[900]], MemberQ[{49}, Mod[#, 60]] &] (* Vincenzo Librandi, Sep 04 2012 *)

Select[Range[49, 6000, 60], PrimeQ] (* Harvey P. Dale, Oct 02 2018 *)

PROG

(MAGMA) [p: p in PrimesUpTo(6000) | p mod 60 eq 49 ]; // Vincenzo Librandi, Sep 04 2012

(PARI) is(n)=isprime(n) && n%60==49 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A044722 A142697 A142777 * A140622 A278784 A256380

Adjacent sequences:  A142794 A142795 A142796 * A142798 A142799 A142800

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)