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 A080701 #14 Jan 07 2017 00:52:59 %S A080701 55,119,533,1273,3937,8213,17263,26791,57989,65291,110783,132427, %T A080701 196747,226003,242183,331363,367043,471811,522701,651353,820499, %U A080701 1224689,1307227,1527437,1967003,2371363,2657021,2826973,3078041,3267323 %N A080701 Product of upper bound twin-prime-indexed primes and their upper bound twin prime. %F A080701 Let prime(i) = i-th prime, let twin(n) = (P, Q) be n-th pair of twin primes; sequence gives prime(Q)*Q. %e A080701 The 3rd pair of twin primes is twin(3) = (11,13), prime(13) = 41, a(3) = 41*13 = 533. %t A080701 #*Prime[#]&/@(Transpose[Select[Partition[Prime[Range[200]],2,1], Last[#]- First[#] ==2&]][[2]]) (* _Harvey P. Dale_, Jun 04 2014 *) %Y A080701 Cf. A057470, A057473. %K A080701 easy,nonn %O A080701 1,1 %A A080701 _Cino Hilliard_, Mar 04 2003