%I #7 Sep 03 2022 22:35:59
%S 1,609,70127,1071459023,41103397063050887,12074653564708687350501143,
%T 164709020707884260873759905895255,
%U 721042306123480954499228319292055451215689
%N Second column of A027497.
%F Numerators of sequence a[ 2, n ] in (a[ i, j ])^4 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i.
%Y Cf. A027497.
%K nonn
%O 2,2
%A _Olivier GĂ©rard_