multinomial - nodef/extra-number GitHub Wiki

Find the number of ways to put n objects in m bins (n=sum(kᾢ)).

Similar: factorial, binomial, multinomial.

function multinomial(...ks)
// ks: objects per bin (kᾢ)

const xnumber = require('extra-number');


xnumber.multinomial(1, 2);
// → 3

xnumber.multinomial(1, 2, 3);
// → 60

xnumber.multinomial(1, 2, 3, 4);
// → 12600

References