Number of monomer-dimer tatami tilings (no four tiles meet) of the n X n grid with n monomers and equal numbers of vertical and horizontal dimers, up to rotational symmetry.
A182107
Number of monomer-dimer tatami tilings (no four tiles meet) of the n X n grid with n monomers and equal numbers of vertical and horizontal dimers, up to rotational symmetry.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =2a(4) =0a(5) =0a(6) =10a(7) =20a(8) =0a(9) =0a(10) =114a(11) =210a(12) =0a(13) =0a(14) =1322a(15) =2460a(16) =0a(17) =0a(18) =16428a(19) =31122a(20) =0a(21) =0a(22) =214660a(23) =410378a(24) =0a(25) =0a(26) =2897424a(27) =5575682a(28) =0a(29) =0
External references
- oeis: A182107