A027513 First column of A027497.

1, 15, 4383, 332945, 3818466833, 117707753216845145, 28982153439665068102728041, 341032753781481334113305261392073, 1314889946532330495263186923107577691839447

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Formula

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

Crossrefs

Sequence in context: A208053 A361453 A079919 * A287037 A229931 A191642

Adjacent sequences: A027510 A027511 A027512 * A027514 A027515 A027516

Keyword

nonn

Author

Olivier Gérard

Status

approved