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 A280234 #29 Jan 04 2025 13:22:16 %S A280234 1,7,2,5,9,8,2,4,5,7,8,7,8,7,1,9,1,0,8,7,1,9,0,8,5,3,1,9,4,0,6,2,0,8, %T A280234 5,3,6,6,5,9,6,0,2,6,6,2,0,5,9,5,4,9,4,2,7,6,7,8,7,5,2,9,0,9,1,6,0,3, %U A280234 5,0,9,8,6,4,8,6,6,0,6,8,9,9,2,4,3,0,1 %N A280234 Decimal expansion of log(27)/log(27/4). %C A280234 Appears as an exponent in an upper bound on the number of partitions of a set into disjoint unions; related to the ASTRAL algorithm in phylogenetic reconstruction. %H A280234 G. C. Greubel, <a href="/A280234/b280234.txt">Table of n, a(n) for n = 1..10000</a> %H A280234 Daniel Kane and Terence Tao, <a href="https://arxiv.org/abs/1702.00912">A bound on partitioning clusters</a>, arXiv:1702.00912 [math.CO] (2017). %H A280234 Daniel Kane and Terence Tao, <a href="https://doi.org/10.37236/6797">A bound on partitioning clusters</a>, Electronic Journal of Combinatorics, 24 (2) (2017), Article P2.31. %H A280234 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %e A280234 1.72598245787871910871908531940620853665960266205954942767875290916035... %t A280234 RealDigits[N[Log[27]/(Log[27/4]), 100]] [[1]] (* _Vincenzo Librandi_, Feb 24 2017 *) %o A280234 (PARI) log(27)/log(27/4) %o A280234 (Magma) SetDefaultRealField(RealField(100)); Log(27)/Log(27/4); // _G. C. Greubel_, Oct 13 2018 %Y A280234 Cf. A016627 (log(4)), A016650 (log(27)). %K A280234 cons,nonn %O A280234 1,2 %A A280234 _Charles R Greathouse IV_, Feb 24 2017 %E A280234 More digits from _Jon E. Schoenfield_, Mar 15 2018