This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A088988 #8 Jan 07 2017 02:48:24
%S A088988 7,19,89,463,809,1223,619,15727,3767,6907,9109,14197,22109,27103,
%T A088988 41057,55009,10937,99559,357829,216649,177797,172213,1040813,327779,
%U A088988 375043,219937,423019,1049177,536281,523571,402769,1155431,2192123,1792103
%N A088988 Least prime that begins a run of exactly 2n-1 primes between two consecutive prime-indexed primes.
%F A088988 a(n) = prime(1 + A000230(n)) = prime(1 + prime(A038664(n))).
%e A088988 5 and 11 are the 3rd and 5th primes; 7 begins a run of 1 primes.
%e A088988 17 and 31 are the 7rd and 11th primes; 19 begins a run of 3 primes.
%o A088988 (PARI) pipprimes(n,m) = { for(x=1,n, c=0; p1 = prime(prime(x)); p2 = prime(prime(x+1)); forprime(y=p1+2,p2-2,c++); if(c==m, forprime(y=p1+2, p2-2, print1(y","); ); ) ) }
%K A088988 nonn
%O A088988 1,1
%A A088988 _Cino Hilliard_, Oct 31 2003
%E A088988 Extended and edited by _T. D. Noe_, Apr 14 2009