%I #7 May 14 2020 15:51:12
%S 136,2632,17728,60672,163776,341920,673112,1155144,1892528,2905088,
%T 4327912,6104696,8557008,11532288,15271624,19829528,25447640,31957872,
%U 39935984,49008392,59807600,72151536,86465832,102403360
%N The number of edges on an octagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
%C See the links in A333075 for images of the octagons.
%Y Cf. A333075 (regions), A333076 (n-gons), A333109 (vertices), A330845, A274586 , A332600, A331765.
%K nonn,more
%O 1,1
%A _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 07 2020
%E a(7)-a(24) from _Lars Blomberg_, May 14 2020
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