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 A114472 #13 Feb 16 2025 08:32:59 %S A114472 1,7,74,761,7650,76548,765543,7655504 %N A114472 Number of decimal digits in SchroederNumber[10^n]. %H A114472 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/SchroederNumber.html">Schroeder Number</a> %F A114472 Limit[Log[10, a(n)]/n, n->Infinity] = Log[10, 3+2*sqrt(2) ] = 0.765551370675726156638799048... since the real root possessing the smallest absolute value of expression (1-6*x+x^2) (found in the g.f.) equals 1/(3+2*sqrt(2)). (See A104178.) - _Paul D. Hanna_, Dec 01 2005 %Y A114472 Cf. A006318, A114470. %K A114472 nonn,base %O A114472 0,2 %A A114472 _Eric W. Weisstein_, Nov 30 2005