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!)
A226376 Number of tilings of a 12 X n rectangle using integer-sided square tiles of area > 1. 2

%I #8 Sep 05 2021 22:00:18

%S 1,0,1,1,13,4,98,57,511,499,3722,3845,24823,31696,164781,243930,

%T 1134938,1847197,7765162,13890389,53540736,102899049,371688482,

%U 756873240,2587867543,5533483651,18092417136,40238855115,126887317089,291501063966,892138812087

%N Number of tilings of a 12 X n rectangle using integer-sided square tiles of area > 1.

%H Alois P. Heinz, <a href="/A226376/b226376.txt">Table of n, a(n) for n = 0..1000</a>

%e a(5) = 4:

%e ._._._._._. ._._._._._. ._._._._._. ._._._._._.

%e | | | | | | | | | | | |

%e |___| | | |___| |___| | | |___|

%e | |_____| |_____| | | |_____| |_____| |

%e |___| | | |___| |___| | | |___|

%e | | | | | | | | | | | |

%e |___|_____| |_____|___| |___|_____| |_____|___|

%e | | | | | | | | | | | |

%e |___| | | |___| | |___| |___| |

%e | |_____| |_____| | |_____| | | |_____|

%e |___| | | |___| | |___| |___| |

%e | | | | | | | | | | | |

%e |___|_____| |_____|___| |_____|___| |___|_____|

%Y Column k=12 of A226206.

%K nonn

%O 0,5

%A _Alois P. Heinz_, Jun 05 2013

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 March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)