cp's OEIS Frontend

A335528 Irregular table read by rows: T(n,k) = number of k-sided polygons formed by n-secting the angles of a square for k >= 3.

%I A335528 #4 Jun 12 2020 09:23:15
%S A335528 0,1,4,12,16,0,0,0,1,24,4,4,48,28,8,4,4,1,52,32,80,68,28,12,0,1,96,68,
%T A335528 20,4,128,132,36,16,8,1,156,120,24,16,192,196,60,36,0,5,200,220,28,12,
%U A335528 244,312,80,56,0,1,296,276,60,44,360,372,112,76,12,1
%N A335528 Irregular table read by rows: T(n,k) = number of k-sided polygons formed by n-secting the angles of a square for k >= 3.
%C A335528 See A278823 for illustrations.
%e A335528 Table begins:
%e A335528 0, 1;
%e A335528 4;
%e A335528 12, 16, 0, 0, 0, 1;
%e A335528 24, 4, 4;
%e A335528 48, 28, 8, 4, 4, 1;
%e A335528 52, 32;
%e A335528 80, 68, 28, 12, 0, 1;
%e A335528 96, 68, 20, 4;
%e A335528 128, 132, 36, 16, 8, 1;
%e A335528 156, 120, 24, 16;
%e A335528 192, 196, 60, 36, 0, 5;
%e A335528 200, 220, 28, 12;
%e A335528 244, 312, 80, 56, 0, 1;
%e A335528 296, 276, 60, 44;
%e A335528 360, 372, 112, 76, 12, 1;
%Y A335528 Cf. A335413, A278823 (regions), A335526 (vertices), A335527 (edges).
%K A335528 nonn,tabf
%O A335528 1,3
%A A335528 _Lars Blomberg_, Jun 12 2020