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A244763 Prime numbers ending in the prime number 13. 23
13, 113, 313, 613, 1013, 1213, 1613, 1913, 2113, 2213, 2713, 3313, 3413, 3613, 4013, 4513, 4813, 5113, 5413, 5813, 6113, 7013, 7213, 8513, 8713, 9013, 9413, 9613, 10313, 10513, 10613, 11113, 11213, 11813, 12113, 12413, 12613, 12713, 13313, 13513, 13613, 13913 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also primes of the form 100*n+13. Subsequence of A141885, A141937, A166573.

LINKS

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

MAPLE

select(isprime, [13+100*n $ n=0..1000]); # Robert Israel, Jul 06 2014

MATHEMATICA

Select[Prime[Range[5, 2000]], Take[IntegerDigits[#], -2]=={1, 3}&]

PROG

(MAGMA) [n: n in PrimesUpTo(14000) | n mod 100 eq 13];

(PARI) select(x->(x % 100)==13, primes(2000)) \\ Michel Marcus, Jul 06 2014

(Sage) [p for p in primes(14000) if mod(p, 100) == 13] # Bruno Berselli, Jul 07 2014

CROSSREFS

Cf. A141885, A141937, A166573.

Cf. Prime numbers ending in the prime number k: A030431 (k=3), A030432 (k=7), A167442 (k=11), this sequence (k=13), A244764 (k=17), A244765 (k=19), A244766 (k=23), A244767 (k=29), A167388 (k=31), A244768 (k=37), A167443 (k=41), A244769 (k=43), A244770 (k=47), A244771 (k=53), A244772 (k=59), A167445 (k=61), A244773 (k=67), A167441 (k=71), A244774 (k=73), A244775 (k=79), A244776 (k=83), A244777 (k=89), A244778 (k=97), A167626 (k=101), A167627 (k=163).

Sequence in context: A320464 A302875 A303523 * A320463 A182022 A211846

Adjacent sequences:  A244760 A244761 A244762 * A244764 A244765 A244766

KEYWORD

nonn,base

AUTHOR

Vincenzo Librandi, Jul 06 2014

STATUS

approved

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Last modified October 16 20:55 EDT 2019. Contains 328103 sequences. (Running on oeis4.)