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%I #9 Jan 18 2014 16:21:35
%S 1,3,5,9,12,16
%N Main diagonal of A234951.
%H A. Bertagnolli, <a href="http://ajbertagnolli.com/wp-content/uploads/2013/10/sticks2.pdf">The Stick Problem</a>, 2013.
%F a(n) = A234951(n,n).
%Y Cf. A234951, A234373.
%K nonn,more
%O 1,2
%A _Omar E. Pol_, Jan 13 2014