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.

A172477 The number of ways to dissect an n X n square into polyominoes of size n.

Original entry on oeis.org

1, 2, 10, 117, 4006, 451206, 158753814, 187497290034, 706152947468301
Offset: 1

Views

Author

Johan de Ruiter, Feb 04 2010

Keywords

Examples

			A 2 X 2 square can be covered by two dominoes by either positioning them vertically or horizontally.
		

Crossrefs

Intersects with A167251, A167254, A167255, A167258.
Diagonal of A348452.

Formula

a(3) = A167243(3). a(4) = A167248(4). a(5) = A167251(5). a(6) = A167254(6). a(7) = A167255(7). a(8) = A167258(8). - R. J. Mathar, Oct 13 2024

Extensions

a(9) from Bob Harris (me13013(AT)gmail.com), Mar 13 2010