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A291808 Number of tilings of an n X n square using distinct polyominoes. 7

%I #12 Sep 03 2017 21:59:21

%S 1,2,44,10066

%N Number of tilings of an n X n square using distinct polyominoes.

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

%H John Mason, <a href="/A291808/a291808_2.pdf">Example tilings</a>

%Y Cf. A268416 (polyominoes that will fit in n-sided square), A291806 (polyomino tilings of square), A291807 (symmetric tilings), A291809 (tilings with differently sized polyominoes).

%K nonn,more

%O 1,2

%A _John Mason_, Sep 01 2017

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Last modified April 20 11:40 EDT 2024. Contains 371838 sequences. (Running on oeis4.)