%I #10 Sep 19 2024 02:16:59
%S 1,12,2880,226800,101606400,6985440000,35961045120000,
%T 1431699108840000,692306057963520000,181128033944995737600,
%U 344143264495491901440000,6651046563131624734080000,22028266217091941119272960000
%N LCM of the absolute values of the inverse Hilbert matrix.
%o (J) NB. http://www.jsoftware.com
%o H=: % @: >: @: (+/~) @: i. @: x:
%o *./ @: | @:, @: %. @: H n
%Y Cf. A005249 (determinant), A111194 (permanent), A092326 (permanent/determinant).
%K nonn
%O 1,2
%A _Roger Hui_, Oct 28 2005