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 A335700 #3 Aug 06 2020 14:45:46 %S A335700 1,0,0,1,2,13,80,579,4738,43387,439792,4890741,59216642,775596313, %T A335700 10927434464,164806435783,2649391469058,45226435601207, %U A335700 817056406224416,15574618910994665,312400218671253762,6577618644576902053,145051250421230224304,3343382818203784146955,80399425364623070680706,2013619745874493923699123 %N A335700 A variant of A000179 and A102761. %D A335700 William Orrick, Postings to Sequence Fans Mailing List, August 2020 %Y A335700 A000179, A102761, and the present sequence are all essentially the same sequence but with different conventions for the initial terms a(0) and a(1). %K A335700 nonn %O A335700 0,5 %A A335700 _N. J. A. Sloane_, Aug 06 2020