A027500 Third diagonal of A027495.

27, 227, 1479, 238718, 43679400, 2799291274, 2547646644816, 19711917728876750, 1872052271615279325, 29087736673828894499626188, 14793456525698658369063561621562, 17819364078382641549746891421451950

Offset

3,1

Links

Table of n, a(n) for n=3..14.

Formula

Numerators of sequence a[ n, n-2 ] in (a[ i, j ])^2 where a[ i, j ] = S(i, j)/BellNumber(i) if j<=i, 0 if j>i.

Crossrefs

Cf. A027495.

Sequence in context: A125364 A126522 A273822 * A069979 A183806 A207104

Adjacent sequences: A027497 A027498 A027499 * A027501 A027502 A027503

Keyword

nonn

Author

Olivier Gérard

Status

approved