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 A101773 #3 Mar 30 2012 17:29:20 %S A101773 3,5,7,23,31,29,29,41,43,43,37,89,67,83,79,71,59,127,113,107,89,181, %T A101773 151,149,113,229,199,179,149,283,241,211,173,313,263,223,173,331,277, %U A101773 197,373,331,263,199,389,313,233,461,379,293,503,419,337,569,479,379 %N A101773 Last term in each row of triangle referenced in A101772. %F A101773 a(n) = A101772(A000217(n)). %Y A101773 Cf. A100498, A101771-A101775. %K A101773 nonn %O A101773 1,1 %A A101773 _Ray Chandler_, Jan 10 2005