Total number of tilings of Ferrers-Young diagrams using dominoes and monominoes summed over all partitions of n.

A304677

Total number of tilings of Ferrers-Young diagrams using dominoes and monominoes summed over all partitions of n.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =9a(4) =27a(5) =60a(6) =170a(7) =377a(8) =996a(9) =2288a(10) =5715a(11) =13002a(12) =32321a(13) =72864a(14) =175137a(15) =400039a(16) =943454a(17) =2133159a(18) =4993737a(19) =11236889a(20) =25995341a(21) =58480330a(22) =133650880a(23) =299347432a(24) =681346296a(25) =1519116099a(26) =3427954877a(27) =7631479391a(28) =17122129103a(29) =37958987956

External references