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%I #14 Oct 20 2014 02:32:40
%S 1,3,6,10,14,20,25,33,41,51,58,70,78,91,104,120,130,148,159,179,197,
%T 216,229,253,270,292,314,342
%N Total number of toothpicks after n-th stage in the toothpick structure of the symmetric representation of half sigma in the first octant (without the axis x and without the main diagonal).
%C Partial sums of A244361.
%F a(n) = A244362(n)/2 = A244370(n)/8. - _Omar E. Pol_, Oct 18 2014
%Y Cf. A000203, A237270, A237271, A237593, A244361, A244362, A244363, A244370, A244371.
%K nonn,more
%O 1,2
%A _Omar E. Pol_, Jun 26 2014
%E More terms from _Omar E. Pol_, Oct 18 2014
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