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 A213327 #21 Dec 25 2023 18:09:44 %S A213327 2,4,16,68,1476,7280,189120,986244,27676612,4346071600,23696518916, %T A213327 3930960079760,120508933265760,669708812842692,20814182249890948, %U A213327 3654563002853231440,650000099752136709444,3664265812073801505200,660535426260570501876228 %N A213327 Analog of Fermat quotients: a(n) = (round((phi_2)^p)-2)/p, where phi_2 is silver ratio 1+sqrt(2) and p = prime(n). %C A213327 For similar sequence for base 2, see A007663, for a similar sequence for golden ratio, see A064723. %Y A213327 Cf. A007663, A096060, A146211, A180511, A164740, A222207, A064723, A213328. %K A213327 nonn %O A213327 1,1 %A A213327 _Vladimir Shevelev_ and _Peter J. C. Moses_, Mar 03 2013