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 A213328 #20 Dec 25 2023 18:09:04 %S A213328 4,11,78,612,46374,428040,38948910,380144556,37367223558, %T A213328 38467601033550,392545092308724,426897839167539480, %U A213328 45841425452161683630,476794964068892779068,51906117696097060014342,59746844088106673671809870,69664778857791165966384195366 %N A213328 Analog of Fermat quotients: a(n) = (round((phi_3)^p)-3)/p, where phi_3 = (3+sqrt(13))/2 and p = prime(n). %C A213328 For similar sequence for base 2, see A007663. For similar sequences for golden ratio and silver ratio, see A064723 and A213327. Note that phi_3 is called "bronze ratio". %Y A213328 Cf. A007663, A096060, A146211, A180511, A164740, A222207, A064723, A213327. %K A213328 nonn %O A213328 1,1 %A A213328 _Vladimir Shevelev_ and _Peter J. C. Moses_, Mar 03 2013