Number of Boolean intervals of rank 2 in the weak order of the Coxeter group of type C_n, for n >= 2.

A380082

Number of Boolean intervals of rank 2 in the weak order of the Coxeter group of type C_n, for n >= 2.

Terms

    a(0) =0a(1) =12a(2) =288a(3) =5760a(4) =115200a(5) =2419200a(6) =54190080a(7) =1300561920a(8) =33443020800a(9) =919683072000

External references