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 A277084 #38 May 23 2019 18:45:58 %S A277084 4,14,49,172,604,2122,7456,26198,92052,323444,1136489,3993295, %T A277084 14031289,49301911,173232725,608689936,2138761243,7514991434, %U A277084 26405516950,92781386582,326007088306,1145495077635,4024940008834,14142480741305,49692606865991,174605518105877 %N A277084 Pisot sequence L(4,14). %C A277084 There is no simple g.f. - _Ilya Gutkovskiy_, May 23 2019 %H A277084 Ilya Gutkovskiy, <a href="/A277084/a277084_1.pdf">Pisot sequences L(x,y)</a> %H A277084 <a href="/index/Ph#Pisot">Index entries for Pisot sequences</a> %F A277084 a(n) = ceiling(a(n-1)^2/a(n-2)), a(0) = 4, a(1) = 14. %t A277084 RecurrenceTable[{a[0] == 4, a[1] == 14, a[n] == Ceiling[a[n - 1]^2/a[n - 2]]}, a, {n, 25}] %Y A277084 Cf. A008776 for definitions of Pisot sequences. %Y A277084 Cf. A010904 (Pisot sequence E(4,14)), A251221 (seems to be Pisot sequence P(4,14)). %Y A277084 Cf. A018910, A020706, A004119, A020707, A048582, A020734. %K A277084 nonn,easy %O A277084 0,1 %A A277084 _Ilya Gutkovskiy_, Sep 29 2016