Number of monomials in expansion of determinant of an n X n Hankel matrix [ t(i+j) ] in terms of its entries.
A019448
Number of monomials in expansion of determinant of an n X n Hankel matrix [ t(i+j) ] in terms of its entries.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =16a(5) =58a(6) =231a(7) =1016a(8) =4782a(9) =23653a(10) =121727a(11) =648611a(12) =3541871a(13) =19713695
External references
- oeis: A019448