Number of domino tilings of Ferrers-Young diagrams of partitions of 2n using exactly floor(n/2) horizontally oriented dominoes.

A304719

Number of domino tilings of Ferrers-Young diagrams of partitions of 2n using exactly floor(n/2) horizontally oriented dominoes.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =14a(5) =28a(6) =62a(7) =150a(8) =380a(9) =787a(10) =1760a(11) =3951a(12) =9338a(13) =19536a(14) =43224a(15) =94326a(16) =213278a(17) =448193a(18) =979712a(19) =2094981a(20) =4622262a(21) =9670378a(22) =20886560a(23) =44067191a(24) =95469402a(25) =198712506

External references