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Second diagonal of A027448.
0

%I #5 Mar 30 2012 17:20:43

%S 15,65,175,9963,5368,1105000,5720625,105686875,75492928,74269960128,

%T 56445795000,96454009575000,76498373160000,61692439558464,

%U 403805999193597,1643804692663258125,1377243480733120000

%N Second diagonal of A027448.

%F Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^4 where a[ i, j ] = 1/i if j<=i, 0 if j>i

%K nonn

%O 2,1

%A _Olivier GĂ©rard_