lah number

Questions

What does lah number mean?

Any of a class of coefficients expressing rising factorials in terms of falling factorials.

Where does lah number come from?

Discovered by Ivo Lah in 1954.

How to pronounce lah number

1. Open the pronunciation page — Open the Speakur entry for “lah number”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “lah number”.
4. Repeat and practice — Say “lah number” aloud, matching stress and vowels until it feels natural.