|
%I #26 Sep 08 2022 08:45:11
%S 7,11,17,23,37,47,67,79,107,113,149,157,191,197,211,233,251,277,293,
%T 317,353,431,439,467,541,577,607,631,647,673,821,827,839,863,887,1031,
%U 1039,1061,1069,1097,1163,1237,1283,1297,1307,1327,1433,1459,1487,1493,1613
%N Primes such that the previous two primes are a twin prime pair.
%C Primes p such that prevprime(p) - 2 is prime. - _Irina Gerasimova_, Jun 28 2013
%H Amiram Eldar, <a href="/A088176/b088176.txt">Table of n, a(n) for n = 1..10000</a>
%p A088176 := proc(n)
%p nextprime(A006512(n)) ;
%p end proc:
%p seq(A088176(n),n=1..30) ; # _R. J. Mathar_, Nov 26 2014
%o (PARI) is(n)=isprime(n) && isprime(precprime(n-1)-2) \\ _Charles R Greathouse IV_, Jun 28 2013
%o (Magma) [NthPrime(n): n in [2..260] | IsPrime((NthPrime(n-1)-2))]; // _Vincenzo Librandi_, Nov 18 2014
%Y Cf. A088175.
%K easy,nonn
%O 1,1
%A _Zak Seidov_, Sep 22 2003
%E More terms from _Ray Chandler_, Sep 25 2003
%E Definition clarified by _Irina Gerasimova_, Jun 28 2013
|
