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 A114501 #10 Feb 16 2025 08:32:59 %S A114501 1,6,59,601,6019,60204,602057,6020597,60205995,602059987,6020599909, %T A114501 60205999128,602059991322,6020599913273,60205999132789, %U A114501 602059991327955,6020599913279616,60205999132796231 %N A114501 Number of decimal digits in binomial(2*10^n, 10^n). %H A114501 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CentralBinomialCoefficient.html">Central Binomial Coefficient</a> %Y A114501 Cf. A000984, A114493. %K A114501 nonn,base,less %O A114501 0,2 %A A114501 _Eric W. Weisstein_, Dec 01 2005