OFFSET
1,1
LINKS
M. Brandt, D. Bruce, T. Brysiewicz, R. Krone, E. Robeva, The degree of SO(n), arXiv:1701.03200 [math.AG], 2017.
FORMULA
EXAMPLE
For n=2 we have a(2)=det({2,4},{4,20})=24.
MATHEMATICA
a[n_] := Det[Table[Binomial[2i+2j-2, 2i-1], {i, 1, n}, {j, 1, n}]]
Table[a[n], {n, 1, 11}] (* Jean-François Alcover, Aug 12 2018 *)
PROG
(PARI) a(n) = matdet(matrix(n, n, i, j, binomial(2*i+2*j-2, 2*i-1))); \\ Michel Marcus, Jan 14 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Taylor Brysiewicz, Jan 10 2017
STATUS
approved