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A243511 Number of ways half the maximal number of domicules can be placed on an n X n square. 2

%I

%S 1,1,6,110,18343,9382388,43019044258,558605693874364,

%T 66236678406528448449,21324218858696872235790649,

%U 63694548993039561351614359349824,503614181552476916158019971522161589536,37393123107750749849065997795023579513072683993,7226766277015485498828489748946241590630740791829515424

%N Number of ways half the maximal number of domicules can be placed on an n X n square.

%F a(n) = A243424(n,floor(n^2/4)).

%e a(2) = 6:

%e +---+ +---+ +---+ +---+ +---+ +---+

%e |o-o| | | |o | | o| |o | | o|

%e | | | | || | | || | \ | | / |

%e | | |o-o| |o | | o| | o| |o |

%e +---+ +---+ +---+ +---+ +---+ +---+.

%Y Cf. A243510.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Jun 05 2014

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Last modified July 24 01:38 EDT 2021. Contains 346269 sequences. (Running on oeis4.)