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 A051435 #4 Jul 02 2025 16:01:58 %S A051435 12,24,40,98,154,138,252,60,390,567,957,84,319,825,2112,403,1144,112, %T A051435 1547,6006,144,740,2660,7098,14560,23452,30030,884,3400,9758,21658, %U A051435 38012,53482,180,4284,13158,31416,59670,91494,114257,17442,44574,91086 %N A051435 (Terms in A029613)/2. %Y A051435 A029613, A029600. %K A051435 nonn %O A051435 0,1 %A A051435 _James Sellers_