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%I #12 Aug 29 2019 10:19:15
%S 1,1,4,1,30,1,32,1,1,1,20554,1,23522,1,1013500,1,29130218,1,
%T 3123943068,1
%N Quotient cycle length in continued fraction expansion of sqrt(1+n^n).
%t Table[Length[Part[ContinuedFraction[Sqrt[1+u^u]], 2]], {u, 1, 15}]
%Y Cf. A003285, A077098.
%K nonn,more
%O 1,3
%A _Labos Elemer_, Nov 05 2002
%E a(17)-a(18) from _Daniel Suteu_, Jan 25 2019
%E a(19)-a(20) from _Vaclav Kotesovec_, Aug 29 2019