A385387 - cp's OEIS frontend

A385387 Number of polysticks, i.e., connected nonempty subsets of edges, of the n X n flat torus, up to cyclic shifts and reflections of rows and columns.

%I A385387 #5 Jun 29 2025 11:07:44
%S A385387 3,40,6432,43918404
%N A385387 Number of polysticks, i.e., connected nonempty subsets of edges, of the n X n flat torus, up to cyclic shifts and reflections of rows and columns.
%Y A385387 Main diagonal of A385386.
%Y A385387 Row sums of A385388.
%Y A385387 Cf. A385382 (polyominoes), A385389 (interchange of rows and columns of the torus allowed).
%K A385387 nonn,more
%O A385387 1,1
%A A385387 _Pontus von Brömssen_, Jun 27 2025

cp's OEIS Frontend

A385387 Number of polysticks, i.e., connected nonempty subsets of edges, of the n X n flat torus, up to cyclic shifts and reflections of rows and columns.