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 A105425 #17 Oct 20 2023 08:40:51 %S A105425 0,1,2,4,5,8,10,16,17,18,20,21,32,34,36,37,40,42,64,65,66,68,69,72,74, %T A105425 80,81,82,84,85,128,130,132,133,136,138,144,145,146,148,149,160,162, %U A105425 164,165,168,170,256,257,258,260,261,264,266,272,273,274 %N A105425 Interpret A105424 as a binary sequence and convert to decimal. %C A105425 See A105424 for further information. - _N. J. A. Sloane_, Mar 01 2021 %H A105425 Rémy Sigrist, <a href="/A105425/b105425.txt">Table of n, a(n) for n = 0..10000</a> %H A105425 Rémy Sigrist, <a href="/A105425/a105425.gp.txt">PARI program for A105425</a> %t A105425 A105425[n_]:=FromDigits[First[RealDigits[n,GoldenRatio,Floor[Log[GoldenRatio,Max[n,1]]]+1]],2];Array[A105425,100,0] (* _Paolo Xausa_, Oct 20 2023 *) %o A105425 (PARI) See Links section. %Y A105425 Cf. A105424. %K A105425 nonn,base %O A105425 0,3 %A A105425 Bryan Jacobs (bryanjj(AT)gmail.com), Apr 08 2005