A027502 Second diagonal of A027496.

7, 117, 312, 7418, 36766575, 450992774700, 600032219433556, 26813098669386499444, 2042240716844153630049782160, 199614327158669913965028375115294, 5160420393672063079639550202344694805878914760, 47227321475842340056657382471342409468699465477089949600

Offset

2,1

Links

Table of n, a(n) for n=2..13.

Formula

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

Crossrefs

Sequence in context: A329543 A180203 A070067 * A050285 A096760 A178791

Adjacent sequences: A027499 A027500 A027501 * A027503 A027504 A027505

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 06 2019

Status

approved