A335553
a(n) is the number of regions formed by n-secting the angles of a pentagon.
Original entry on oeis.org
1, 10, 11, 60, 131, 90, 276, 310, 326, 510, 706, 580, 981, 1070, 1086, 1390, 1721, 1320, 2136, 2250, 2311, 2730, 3176, 2900, 3746, 3900, 3956, 4530, 5086, 4690, 5821, 5980, 6061, 6760, 7451, 6720, 8286, 8540, 8621, 9420, 10266, 9700, 11241, 11510, 11616, 12560
Offset: 1
A335554
a(n) is the number of vertices formed by n-secting the angles of a pentagon.
Original entry on oeis.org
5, 11, 10, 46, 135, 71, 280, 266, 325, 456, 710, 506, 985, 981, 1085, 1291, 1725, 1091, 2140, 2121, 2310, 2586, 3180, 2706, 3750, 3726, 3955, 4341, 5090, 4436, 5825, 5761, 6060, 6531, 7455, 6241, 8290, 8276, 8620, 9146, 10270, 9326, 11245, 11206, 11615, 12241
Offset: 1
A335556
Irregular table read by rows: n-sect the angles of a pentagon. Then T(n,k) is the number of k-sided polygons in that figure for k >= 3.
Original entry on oeis.org
0, 0, 1, 10, 10, 0, 1, 50, 10, 50, 60, 15, 5, 0, 0, 0, 1, 60, 30, 110, 125, 30, 0, 0, 5, 5, 1, 150, 140, 20, 150, 90, 70, 10, 5, 0, 0, 1, 240, 200, 60, 10, 230, 355, 75, 40, 0, 5, 0, 1, 300, 190, 80, 10, 360, 400, 175, 25, 10, 10, 0, 1, 460, 430, 150, 30
Offset: 1
The table begins
0, 0, 1;
10;
10, 0, 1;
50, 10;
50, 60, 15, 5, 0, 0, 0, 1;
60, 30;
110, 125, 30, 0, 0, 5, 5, 1;
150, 140, 20;
150, 90, 70, 10, 5, 0, 0, 1;
240, 200, 60, 10;
230, 355, 75, 40, 0, 5, 0, 1;
300, 190, 80, 10;
360, 400, 175, 25, 10, 10, 0, 1;
460, 430, 150, 30;
Showing 1-3 of 3 results.
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