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%I #5 Mar 30 2012 17:20:43
%S 3,21,48,134,11475,1263600,52959452,33442462092,187693150315320,
%T 13385648916513731,160581632111860199668428,
%U 64508290858687331818199484720,62555685466184409014242480885950
%N Second diagonal of A027495.
%F Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^2 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i
%K nonn
%O 2,1
%A _Olivier Gérard_