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%I #11 Jul 27 2023 08:26:01
%S 1,0,2,30,1294,215905,118624712,239677657279,1718701020524054,
%T 43796355965749584514,3986225747511059714872292,
%U 1291654822694833043891279461342,1491828507298886778780830278188938433
%N Number of tilings of an n X n square using dominoes and trominoes (of any shape).
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Domino_(mathematics)">Domino (mathematics)</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Tromino">Tromino</a>
%F a(n) = A364457(n,n).
%Y Main diagonal of A364457.
%Y Cf. A219874, A219994.
%K nonn,more
%O 0,3
%A _Alois P. Heinz_, Jul 26 2023
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