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 A248268 #6 Oct 20 2019 21:31:02
%S A248268 6,3,7,220,209746,1800026104632,11289682294671072755879655,
%T A248268 1247832270676194041105480584245717817404868332358363,
%U A248268 5623554373314472317858205865619051220489843727752125404940182021329874216730979924009375686764591034334
%N A248268 Egyptian fraction representation of sqrt(42) (A010496) using a greedy function.
%t A248268 Egyptian[nbr_] := Block[{lst = {IntegerPart[nbr]}, cons = N[ FractionalPart[ nbr], 2^20], denom, iter = 8}, While[ iter > 0, denom = Ceiling[ 1/cons]; AppendTo[ lst, denom]; cons -= 1/denom; iter--]; lst]; Egyptian[ Sqrt[ 42]]
%Y A248268 Egyptian fraction representations of the square roots: A006487, A224231, A248235-A248322.
%Y A248268 Egyptian fraction representations of the cube roots: A129702, A132480-A132574.
%K A248268 nonn
%O A248268 0,1
%A A248268 _Robert G. Wilson v_, Oct 04 2014