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How to generate Lah numbers?

Posted 3 years ago

Is it possible to generate Lah numbers in much the same way as generating Stirling numbers?

For example:

SM2 = Table[StirlingS2[i,j], {i,0,11},{j,0,11}]

What is the equivalent for Lah numbers?

POSTED BY: Thomas Vermaak
2 Replies

Thanks Jim.

POSTED BY: Thomas Vermaak
Posted 3 years ago

The brute force way might be simplest:

lah = Table[Binomial[n - 1, k - 1] n!/k!, {n, 0, 11}, {k, 0, 11}])
POSTED BY: Jim Baldwin
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