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 A179090 #18 Jun 02 2025 02:58:53 %S A179090 14,183,33307,1109322943,1230597390756858307, %T A179090 1514369938137587813730274566118047943, %U A179090 2293316309534841541915473293317407057146218304394352680966696226728483307 %N A179090 Variant of Sylvester's sequence: a(n + 1) = a(n)^2 - a(n) + 1, with a(1) = 14. %C A179090 The next term (a(8)) has 145 digits. - _Harvey P. Dale_, Jul 14 2021 %H A179090 Mohammad K. Azarian, <a href="http://www.jstor.org/stable/10.4169/college.math.j.42.4.329">Sylvester's Sequence and the Infinite Egyptian Fraction Decomposition of 1, Problem 958</a>, College Mathematics Journal, Vol. 42, No. 4, September 2011, p. 330. <a href="http://www.jstor.org/stable/10.4169/college.math.j.43.4.337">Solution</a> published in Vol. 43, No. 4, September 2012, pp. 340-342. %H A179090 Markus Tervooren, <a href="http://factordb.com/search.php?se=28&aq=14&action=all">Factorizations of Silvester/Euclid sequence 14</a> %t A179090 NestList[#^2-#+1&,14,8] (* _Harvey P. Dale_, Jul 14 2021 *) %Y A179090 Cf. A144779, A144780, A144781, A144782, A144783, A144784, A144785 %K A179090 nonn %O A179090 1,1 %A A179090 _Ivan Panchenko_, Jun 29 2010