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 A271575 Primes p such that p+10, p+100 and p+1000 are all prime. 2
 13, 31, 97, 163, 181, 283, 409, 499, 709, 787, 811, 877, 1087, 1399, 1423, 1609, 1777, 1801, 1879, 2347, 2677, 2719, 3457, 3517, 3919, 4273, 4483, 5701, 6043, 6121, 6211, 6481, 6691, 7573, 8941, 9733, 9739, 10069, 10093, 10159, 10243, 10789, 11161, 11251, 11689, 12799, 12907 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Number of terms < 10^k: 0, 3, 12, 37, 159, 789, 3960, 21708, 129910, ..., . - Robert G. Wilson v, Jun 20 2018 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 EXAMPLE p=13; p+10=23 (is prime), p+100=113 (is prime), p+1000=1013 (is prime). MAPLE select(t -> isprime(t+1000) and isprime(t+100) and isprime(t+10) and isprime(t), [seq(i, i=7..20000, 6)]); # Robert Israel, Jun 20 2018 MATHEMATICA Select[Prime[Range[10000]], PrimeQ[# + 10] && PrimeQ[# + 100] && PrimeQ[# + 1000] &] (* Robert Price, Apr 10 2016 *) PROG (PARI) lista(nn) = forprime(p=2, nn, if (isprime(p+10) && isprime(p+100) && isprime(p+1000), print1(p, ", "))); \\ Michel Marcus, Apr 10 2016 CROSSREFS Cf. A000040, A002385, A015916, A023203. Sequence in context: A335732 A095379 A160772 * A039403 A062339 A043226 Adjacent sequences:  A271572 A271573 A271574 * A271576 A271577 A271578 KEYWORD nonn AUTHOR Emre APARI, Apr 10 2016 STATUS approved

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Last modified September 19 07:24 EDT 2020. Contains 337178 sequences. (Running on oeis4.)