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 A185396 #10 Dec 22 2024 23:56:11 %S A185396 2,10,108,235,1201,390050,314766,4035,364384,50411,25955045,5254864, %T A185396 236558593,16958526,20388056,177544434,492981885,2275400230,256347346, %U A185396 384902923486,324850200677887 %N A185396 Largest number x such that the greatest prime factor of x^2-2 is A038873(n), the n-th prime not congruent to 3 or 5 mod 8. %C A185396 For any prime p, there are finitely many x such that x^2-2 has p as its largest prime factor. %H A185396 Filip Najman, <a href="http://web.math.hr/~fnajman/smooth.pdf">Smooth values of some quadratic polynomials</a>, Glasnik Matematicki Series III 45 (2010), pp. 347-355. %H A185396 Filip Najman, <a href="http://web.math.hr/~fnajman/">Home Page</a> (gives all 537 numbers x such that x^2-2 has no prime factor greater than 199) %Y A185396 Cf. A242488, A379348. %Y A185396 Equivalents for other polynomials: A175607 (x^2 - 1), A145606 (x^2 + x), A185389 (x^2 + 1). %K A185396 nonn %O A185396 1,1 %A A185396 _Charles R Greathouse IV_, Feb 21 2011 %E A185396 a(21) added by _Andrew Howroyd_, Dec 22 2024