A027454 First diagonal of A027448.

1, 1, 8, 27, 1728, 1000, 216000, 1157625, 21952000, 16003008, 16003008000, 12326391000, 21300003648000, 17053975224000, 13865513485824, 91398648466125, 374368864117248000, 315376239610432000

Offset: 1

Author

Olivier Gérard

Keywords

• nonn

Formula

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