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 A049192 #12 Jul 09 2025 03:53:38 %S A049192 1,11,1110101,1110001001101011101110111011, %T A049192 1111001110101110111011101001101011011101011011101001101001101111001111100011101110010111001111010111010110011110101 %N A049192 Start with 1. Read as base 10, convert to base 2, describe it in base 2. %C A049192 Next term has 486 digits. %e A049192 1->1->One 1->11; %e A049192 11->1011->One 1,One 0, Two Ones->1110101; %e A049192 etc. %Y A049192 Cf. A005150. %K A049192 nonn,base %O A049192 1,2 %A A049192 _Olivier Gérard_ %E A049192 Definition corrected (was identical to A049190) by _Andrew Pope_, Aug 21 2023