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A033943 Sum of coefficients of a polynomial associated to a family of digraphs. 0

%I #3 Jan 09 2009 03:00:00

%S 1,1,3,13,33,81,189

%N Sum of coefficients of a polynomial associated to a family of digraphs.

%D Paper in preparation (1998).

%K nonn

%O 0,3

%A Ottavio D'Antona (dantona(AT)dsi.unimi.it)

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)