A329713
The number of regions inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
Original entry on oeis.org
50, 868, 5594, 18396, 48462, 101794, 195714, 336504, 549704, 841890, 1249676, 1774612, 2468572, 3328234, 4414054, 5725034, 7336855, 9233098, 11513419, 14149296, 17254434, 20805554, 24928380, 29573348, 34902155, 40861422, 47613161
Offset: 1
A333112
The number of edges inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
Original entry on oeis.org
91, 1575, 10962, 35812, 96257, 201054, 389991, 668458, 1096508, 1675835, 2494989, 3536876, 4930408, 6639913, 8816458, 11425631, 14659085, 18433975, 23007579, 28257418, 34478871, 41557817, 49822388, 59079475, 69756253, 81641812, 95165210
Offset: 1
A333113
The number of vertices inside a heptagon formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.
Original entry on oeis.org
42, 708, 5369, 17417, 47796, 99261, 194278, 331955, 546805, 833946, 1245314, 1762265, 2461837, 3311680, 4402405, 5700598, 7322231, 9200878, 11494161, 14108123, 17224438, 20752264, 24894009, 29506128, 34854099, 40780391, 47552050
Offset: 1
A335760
Irregular table read by rows: n-sect the angles of a heptagon. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.
Original entry on oeis.org
0, 0, 0, 0, 1, 14, 21, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 84, 28, 35, 7, 7, 0, 1, 182, 56, 14, 189, 196, 70, 21, 0, 7, 0, 0, 0, 0, 0, 1, 280, 210, 42, 378, 252, 140, 63, 7, 7, 0, 0, 0, 0, 0, 1, 238, 196, 14, 448, 588, 126, 63, 21, 14, 0, 0, 0, 0, 0, 1
Offset: 1
The table begins
0, 0, 0, 0, 1;
14;
21, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1;
84, 28;
35, 7, 7, 0, 1;
182, 56, 14;
189, 196, 70, 21, 0, 7, 0, 0, 0, 0, 0, 1;
280, 210, 42;
378, 252, 140, 63, 7, 7, 0, 0, 0, 0, 0, 1;
238, 196, 14;
448, 588, 126, 63, 21, 14, 0, 0, 0, 0, 0, 1;
Showing 1-4 of 4 results.
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