Operad: Magmatic

abbreviations

Mag, PRT

category

set

type

non-symetrique

dimensions

1, 1, 2, 5, 14, 42

OEIS: A000108

Formula: binomial(2*n-2,n-1)/n

Serie: (1-sqrt(1-4*x))/2

properties

binary, quadratic, Koszul, free, cyclic, NielsenSchreier

Koszul dual operad

Nil2

generateurs

• generator * of arity 2

relations

morphisms

→ As

References