3,1
Numerators of sequence a[ 3, n ] in (a[ i, j ])^3 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i
Sequence in context: A128904 A001537 A201979 * A153220 A203479 A034226
Adjacent sequences: A027509 A027510 A027511 * A027513 A027514 A027515
nonn
Olivier Gerard (olivier.gerard(AT)gmail.com)