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 A256969 #31 Jan 26 2025 02:42:57 %S A256969 0,1,2,3,4,6,9,14,22,35,55,89,142,230,373,609,996,1637,2698,4461,7398, %T A256969 12301,20503,34253,57348,96198,161659,272124,458789,774616,1309627, %U A256969 2216968,3757384,6375166 %N A256969 Duplicate of A005579. %K A256969 dead %O A256969 0,3 %A A256969 _N. J. A. Sloane_, Apr 17 2015 %E A256969 More terms from _Chai Wah Wu_, Apr 17 2015 %E A256969 a(32)-a(33) from _Chai Wah Wu_, Apr 19 2015 %E A256969 a(0) corrected by _Max Alekseyev_, Jan 25 2025