a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = 2*i + j.

A278927

a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = 2*i + j.

Terms

    a(0) =1a(1) =3a(2) =38a(3) =1116a(4) =59392a(5) =5004720a(6) =613252320a(7) =103050420480

External references