Combinatoria
Factoriales, permutaciones nPk, combinaciones nCk y coeficientes multinomiales con BigInt.
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Combinatorial values: factorial n!, permutations P(n,r), combinations C(n,r), multinomial. BigInt throughout — handles large n.
Factoriales, permutaciones nPk, combinaciones nCk y coeficientes multinomiales con BigInt.
Combinatorial values: factorial n!, permutations P(n,r), combinations C(n,r), multinomial. BigInt throughout — handles large n.