cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A335526 a(n) is the number of vertices formed by n-secting the angles of a square.

Original entry on oeis.org

4, 5, 32, 29, 96, 69, 192, 169, 324, 285, 492, 409, 696, 629, 936, 865, 1208, 1117, 1508, 1429, 1852, 1757, 2232, 2089, 2648, 2521, 3100, 2961, 3580, 3425, 4092, 3949, 4648, 4477, 5240, 5029, 5860, 5665, 6516, 6325, 7204, 7001, 7936, 7737, 8696, 8473, 9500
Offset: 1

Views

Author

Lars Blomberg, Jun 12 2020

Keywords

Comments

See A278823 for illustrations.

Crossrefs

Cf. A335411, A278823 (regions), A335527 (edges), A335528 (ngons).

A335527 a(n) is the number of edges formed by n-secting the angles of a square.

Original entry on oeis.org

4, 8, 60, 60, 188, 152, 380, 356, 644, 600, 980, 868, 1388, 1304, 1868, 1780, 2412, 2296, 3012, 2924, 3700, 3592, 4460, 4276, 5292, 5136, 6196, 6020, 7156, 6960, 8180, 8012, 9292, 9080, 10476, 10204, 11716, 11472, 13028, 12796, 14404, 14160, 15868, 15636
Offset: 1

Views

Author

Lars Blomberg, Jun 12 2020

Keywords

Comments

See A278823 for illustrations.

Crossrefs

Cf. A335412, A278823 (regions), A335526 (vertices), A335528 (ngons).

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.

Original entry on oeis.org

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, 20, 4, 128, 132, 36, 16, 8, 1, 156, 120, 24, 16, 192, 196, 60, 36, 0, 5, 200, 220, 28, 12, 244, 312, 80, 56, 0, 1, 296, 276, 60, 44, 360, 372, 112, 76, 12, 1
Offset: 1

Views

Author

Lars Blomberg, Jun 12 2020

Keywords

Comments

See A278823 for illustrations.

Examples

			Table begins:
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, 20, 4;
128, 132, 36, 16, 8, 1;
156, 120, 24, 16;
192, 196, 60, 36, 0, 5;
200, 220, 28, 12;
244, 312, 80, 56, 0, 1;
296, 276, 60, 44;
360, 372, 112, 76, 12, 1;
		

Crossrefs

Cf. A335413, A278823 (regions), A335526 (vertices), A335527 (edges).
Showing 1-3 of 3 results.