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A165295 The larger member of a prime pair (p,p + 1000). 1

%I #12 Jul 16 2022 17:15:49

%S 1013,1019,1031,1061,1097,1103,1109,1151,1163,1181,1193,1223,1229,

%T 1277,1283,1307,1367,1373,1409,1433,1439,1487,1499,1523,1571,1601,

%U 1607,1613,1619,1709,1733,1787,1811,1823,1877,1907,1997,2039,2063,2069,2087,2129

%N The larger member of a prime pair (p,p + 1000).

%C Primes p such that p-1000 is also prime.

%H Vincenzo Librandi, <a href="/A165295/b165295.txt">Table of n, a(n) for n = 1..1000</a>

%e a(1) = 13+1000= 1013. a(2) = 19+1000=1019. a(3) = 31+1000=1031.

%t Select[Prime[Range[1000]]+1000, PrimeQ] (* _Harvey P. Dale_, Dec 15 2010 *)

%Y Cf. A101408.

%K nonn,easy

%O 1,1

%A _Vincenzo Librandi_, Sep 14 2009

%E Definition rephrased by _R. J. Mathar_, Sep 16 2009

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Last modified June 11 05:33 EDT 2024. Contains 373289 sequences. (Running on oeis4.)