%I #5 Mar 30 2012 17:20:43
%S 15,609,1920,392486,113377876875,155741745023280000,
%T 6605216052044829651068,62870654640959433925847207524,
%U 21721105002949781819252278922169473422080
%N Second diagonal of A027497.
%F Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^4 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i
%K nonn
%O 2,1
%A _Olivier GĂ©rard_