login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A291807 The number of symmetric polyomino tilings of n X n square. 4

%I

%S 1,5,67,3000

%N The number of symmetric polyomino tilings of n X n square.

%C The sequence gives the number of distinct tilings by polyominoes of a square with side n, considering tilings that have at least one symmetry. As for "free" polyominoes, tilings that are reflections or rotations of each other are not considered distinct.

%H John Mason, <a href="/A291807/a291807_1.pdf">Example symmetric tilings</a>

%Y Cf. A268416 (polyominoes that will fit in n-sided square), A291806 (polyomino tilings of square), A291808 (tilings with distinct polyominoes), A291809 (tilings with differently sized polyominoes).

%K nonn,more

%O 1,2

%A _John Mason_, Sep 01 2017

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 26 09:04 EDT 2022. Contains 354077 sequences. (Running on oeis4.)