A059733 Central column a(n,[n/2]) of A059922.

1, 1, 2, 3, 10, 41, 1682, 346493, 120057399050, 51458022952549550101, 2647928126185116317725365841617509110202, 505756353132539355991535788904396967700352784465846135098293311191732045

Offset: 0

Author

N. J. A. Sloane, Feb 09 2001

Keywords

• nonn