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.

A359619 Irregular table read by rows: T(n,k) is the number of k-gons, k>=1, after n iterations of constructing circles from all current vertices using only a compass, starting with one vertex. See the Comments.

Original entry on oeis.org

0, 1, 0, 0, 2, 1, 0, 1, 16, 4, 0, 16, 2470, 3599, 902, 168, 14
Offset: 1

Views

Author

Scott R. Shannon, Jan 07 2023

Keywords

Comments

See A359569 and A359570 for further details and images.

Examples

			The table begins:
0;
1;
0, 0, 2, 1;
0, 1, 16, 4;
0, 16, 2470, 3599, 902, 168, 14;
.
.
		

Crossrefs

Cf. A359569 (vertices), A359570 (regions), A359571 (edges), A359258, A359061, A359009.

Formula

Sum of row n = A359570(n);