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 A367604 #18 Dec 12 2023 08:25:47 %S A367604 -1,17,2,1259,3243760,33779,8367,3,2137453,29347,4,27,3097837317, %T A367604 75455289096,144693554136426354,586,8250248375768635503445567685, %U A367604 4956282,51496560713,7977231,4,560002,48,779641,10712620148411,44948082868036315658034347512222651 %N A367604 Length of commas sequence (cf. A121805) if start at 1 and do the calculations in base n; or -1 if the sequence is infinite. %Y A367604 Cf. A121805, A367605 (last term). %Y A367604 The sequences for bases 3, 8, and 10 are A367355, A367344, and A121805. %K A367604 sign,base %O A367604 2,2 %A A367604 _N. J. A. Sloane_, Dec 08 2023 %E A367604 More terms from _Michael S. Branicky_, Dec 08 2023