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 A098761 #18 Sep 08 2022 08:45:15 %S A098761 5,7,11,13,13,23,37,37,41,53,73,97,101,103,109,127,137,157,179,191, %T A098761 223,223,229,251,263,271,269,307,311,353,373,389,409,419,433,457,479, %U A098761 487,491,503,541,563,571,593,641,647,673,683,691,701,757,809,821,853,859 %N A098761 Primes of the form prime(n) + prime(n+1) - prime(n+2) with multiplicity, ordered by increasing n. %H A098761 Vincenzo Librandi, <a href="/A098761/b098761.txt">Table of n, a(n) for n = 1..1000</a> %t A098761 Select[First[#]+#[[2]]-Last[#]&/@Partition[Prime[Range[200]], 3,1], PrimeQ] (* _Harvey P. Dale_, Jun 05 2011 *) %o A098761 (Magma) [a: n in [1..150] | IsPrime(a) where a is NthPrime(n)+NthPrime(n+1)-NthPrime(n+2)]; // _Vincenzo Librandi_, Jun 23 2016 %Y A098761 Cf. A098865. %K A098761 nonn,easy %O A098761 1,1 %A A098761 _Giovanni Teofilatto_, Oct 30 2004 %E A098761 Edited, corrected and extended by _Ray Chandler_, Nov 04 2004