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 A256422 #14 Apr 13 2015 15:15:01 %S A256422 5,293,331,616,745,983,1076,1672,2177,2821,3599,6591,7804,10174,11629, %T A256422 13141,13397,15589,17767,18814,19859,21112,21247,23242,24785,34351, %U A256422 36447,40122,45630,48033,51235,51519,61179,63826,73394,78624,80112,88259,89607,102217,115981,119167 %N A256422 Numbers n such that A166133(n) sets a new record and also satisfies A166133(n)=A166133(n-1)^2-1. %C A256422 A subsequence of A256404. %C A256422 The points (A256422(i), A256423(i)) form the upper envelope of A166133. %H A256422 N. J. A. Sloane and Ray Chandler, <a href="/A256422/b256422.txt">Table of n, a(n) for n = 1..127</a> (first 100 terms from N. J. A. Sloane) %H A256422 N. J. A. Sloane and others, <a href="/A166133/a166133.txt">"Blog" about A166133</a> %F A256422 Intersection of A256404 and A256703+1. - _Ray Chandler_, Apr 13 2015 %e A256422 A166133(5) = 8 = A166133(4)^2-1 = 9-1. %Y A256422 Cf. A166133, A256423, A256404, A256403, A256703. %K A256422 nonn %O A256422 1,1 %A A256422 _N. J. A. Sloane_, Apr 08 2015