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 A144729 #4 Jun 02 2025 00:36:09 %S A144729 7,13,37,181,1621,19441,311041,6842881,171072001,4961088001, %T A144729 153793728001,5382780480001,252990682560001,14420468905920001, %U A144729 879648603261120001,58056807815233920001,4586487817403479680001 %N A144729 Primes arising in A144728. %Y A144729 A046966, A046972, A144717, A144718, A144722, A144723, A144724, A144725, A144726, A144727, A144728, A144729, A144730, A144731 %K A144729 nonn %O A144729 1,1 %A A144729 _Artur Jasinski_, Sep 19 2008; corrected Sep 19 2008