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 A262547 #12 Oct 12 2015 10:36:05 %S A262547 1,2,11,683,8947849,6405119470038039, %T A262547 16879085660760836481318184892448820, %U A262547 717956902513121251386228825698709746114025202539934052824017757985572480 %N A262547 Nearest integer to 2^(2^n)/(4*n!). %H A262547 Jon E. Schoenfield, <a href="/A262547/b262547.txt">Table of n, a(n) for n = 1..11</a> %H A262547 R. F. Wheeler, <a href="/A002543/a002543_2.pdf">An asymptotic formula for the number of complete propositional connectives</a>, Z. Math. Logik Grundlagen Math. 8 (1962), 1-4. [Annotated scanned copy] %Y A262547 An approximation to A002857. %K A262547 nonn %O A262547 1,2 %A A262547 _N. J. A. Sloane_, Oct 06 2015