%I #9 Mar 09 2019 00:24:25
%S 1,1,2,2,4,2,4,6,4,6,6,4,10,6,6,12,6,8,12,10,12,12,12,8,16,12,12,24,6,
%T 8,24,10,12,24,12,16,24,16,20,24,20,22,24,22,24,24,24,16,28,24,24,48,
%U 6,8,48,10,12,48,12,16,48,16,20,48,20,22,48,24,24,48
%N Main diagonal of the array A306741.
%C This sequence shows a chaotic behavior.
%C Empirically, a(n) is even for any n > 2.
%H Rémy Sigrist, <a href="/A306743/b306743.txt">Table of n, a(n) for n = 1..10000</a>
%H Rémy Sigrist, <a href="/A306743/a306743.txt">C++ program for A306743</a>
%F a(n) = A306741(n, n).
%e a(3) = A306741(3, 3) = 2.
%o (C++) See Links section.
%Y Cf. A005185, A306741.
%K nonn
%O 1,3
%A _Rémy Sigrist_, Mar 07 2019
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