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 A045595 #13 Aug 10 2021 05:07:56 %S A045595 1,11,121,253,1331,2783,3883,4609,5819,11891,14641,30613,42713,50699, %T A045595 64009,89309,106007,130801,133837,161051,273493,336743,410069,469843, %U A045595 557689,558877,704099,982399,1166077,1370699,1438811,1472207,1626977 %N A045595 Numbers k that divide 6^k + 5^k. %Y A045595 Cf. A074615. %K A045595 nonn %O A045595 1,2 %A A045595 _David W. Wilson_