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 A229177 #13 Jun 06 2023 04:20:31 %S A229177 6,7,8,1,8,7,2,4,3,5,1,4,2,3,8,8,8,8,8,6,4,5,7,6,3,6,3,6,7,7,8,2,0,5, %T A229177 3,0,2,9,0,4,1,8,1,8,8,3,4,5,4,6,9,9,3,2,7,2,7,0,7,6,2,9,1,3,7,7,2,1, %U A229177 8,6,6,4,0,5,1,5,0,2,8,5,1,8,5,7,8,4,8,8,6,3,8,1,5,8,4,3,2,7,7,0,8,1,3,5,5,7,8 %N A229177 Decimal expansion of 3 + log_2(3) + log_2(3 + log_2(3)). %C A229177 This is the fourth term in the sequence of real numbers discussed in A229168-A229170. %H A229177 <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a>. %e A229177 6.7818724351423888886457636367782053029041818834546993272707... %t A229177 RealDigits[3 + Log2[3] + Log2[3 + Log2[3]], 10, 120][[1]] (* _Amiram Eldar_, Jun 06 2023 *) %Y A229177 Cf. A229168, A229169, A229170, A155921, A020857. %K A229177 nonn,cons %O A229177 1,1 %A A229177 _N. J. A. Sloane_, Sep 28 2013