

A244765


Prime numbers ending in the prime number 19.


2



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
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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



