A027464 Third column of A027448.

8, 175, 39743, 60333, 28400079, 292420227, 9723178009, 11596904605, 17970237912815, 20530907592845, 50764671209056505, 56436971899092485, 62109279389181725, 542166878698918075, 2885442896258516289275, 3106224746146152726675, 22811796735204826462092225

Offset: 3

Author

Olivier Gérard

Keywords

• nonn

Crossrefs

Cf. A027448.

Formula

Numerators of sequence a[ 3, n ] in (a[ i, j ])^4 where a[ i, j ] = 1/i if j<=i, 0 if j>i.

Extensions

More terms from Sean A. Irvine, Nov 05 2019