A244765 Prime numbers ending in the prime number 19.

19, 419, 619, 719, 919, 1019, 1319, 1619, 2719, 2819, 3019, 3119, 3319, 3719, 3919, 4019, 4219, 4519, 4919, 5119, 5419, 5519, 6619, 6719, 7019, 7219, 7919, 8219, 8419, 8719, 8819, 9319, 9419, 9619, 9719, 11119, 11519, 11719, 12119, 12619, 12919, 13219

Offset

1,1

Comments

Also primes of the form 100*n+19. Subsequence of A141887, A141942.

Links

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

Mathematica

Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={1, 9} &]
Select[Prime[Range[1600]], Mod[#, 100]==19&] (* Harvey P. Dale, Jul 29 2018 *)

Prog

(Magma) [n: n in PrimesUpTo(16000) | n mod 100 eq 19];
(PARI) select(x->(x % 100)==19, primes(2000)) \\ Michel Marcus, Jul 06 2014

Crossrefs

Cf. A141887, A141942.

Cf. similar sequences listed in A244763.

Sequence in context: A172740 A172816 A202040 * A069612 A077716 A089573

Adjacent sequences: A244762 A244763 A244764 * A244766 A244767 A244768

Keyword

nonn,base,easy

Author

Vincenzo Librandi, Jul 06 2014

Status

approved