Sum of the squares of numbers of chess tableaux over all partitions of n.
A108774
Sum of the squares of numbers of chess tableaux over all partitions of n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =8a(6) =16a(7) =48a(8) =160a(9) =448a(10) =2048a(11) =6400a(12) =31232a(13) =125952a(14) =604160a(15) =3119104a(16) =15638528a(17) =93478912a(18) =550141952a(19) =3367698432a(20) =24049516544a(21) =146207539200
External references
- oeis: A108774