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 A124669 #6 Nov 02 2020 19:09:00 %S A124669 4,13,33,75,141,219,321,435,665,897,1145,1515,1761,2019,2489,3125, %T A124669 3597,4085,4755,5181,5765,6555,7385,8631,9795,10401,11019,11661,12315, %U A124669 14349,16635,17945,19041,20709,22497,23705,25589,27219,28889,30965,32397 %N A124669 Product of successive primes minus 2. %H A124669 Harvey P. Dale, <a href="/A124669/b124669.txt">Table of n, a(n) for n = 1..1000</a> %t A124669 Times@@@Partition[Prime[Range[50]],2,1]-2 (* _Harvey P. Dale_, Nov 02 2020 *) %o A124669 (PARI) g(n) = forprime(x=1,n,if(isprime(x+2),y=x*(x+2)-2;print1(y","))) %Y A124669 Cf. A123921. %K A124669 easy,nonn %O A124669 1,1 %A A124669 _Cino Hilliard_, Dec 27 2006