%I
%S 1,1,2,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,
%T 27,28,29,30,31
%N Maximum cycle length (orbit size) in the rotation permutation of n+2 side polygon triangularizations.
%C I.e., in permutations A057161 and A057162 (also A057503 and A057504), the longest cycle among all cycles between the (A014138(n2)+1)th and (A014138(n1))th terms.
%F a(0)=1, a(1)=1, a(2)=2, a(n)=n+2.
%Y Cf. A057542, A057543, A057545.
%K nonn
%O 0,3
%A _Antti Karttunen_, Sep 07 2000
