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 A069486 #7 Sep 06 2022 10:34:26 %S A069486 12,30,70,154,286,442,646,874,1334,1798,2294,3034,3526,4042,4982,6254, %T A069486 7198,8174,9514,10366,11534,13114,14774,17266,19594,20806,22042,23326, %U A069486 24634,28702,33274,35894,38086,41422,44998 %N A069486 a(n) = 2*prime(n)*prime(n+1). %C A069486 a(n) = 2*A006094(n); %C A069486 together with A069482(n) and A069484(n) a Pythagorean triangle is formed with area = A069487(n). %t A069486 2Times@@#&/@Partition[Prime[Range[40]],2,1] (* _Harvey P. Dale_, Dec 17 2012 *) %Y A069486 Cf. A006094, A069482, A069484, A069487. %K A069486 nonn %O A069486 1,1 %A A069486 _Reinhard Zumkeller_, Mar 29 2002