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 A049693 #7 Aug 06 2021 17:31:50 %S A049693 1,5,8,14,18,28,34,46,54,70,78,100,110,130,144,168,182,216,230,260, %T A049693 278,312,330,372,392,430,454,500,520,578,602,652,684,728,756,816,846, %U A049693 906,940,1004,1032,1114,1146,1212,1254,1324,1362,1450,1486,1560,1604,1688 %N A049693 a(n) = T(n,n+2), array T as in A049687. %K A049693 nonn %O A049693 0,2 %A A049693 _Clark Kimberling_ %E A049693 More terms from _Sean A. Irvine_, Aug 06 2021