logo of Operadia Operadia

Operad: Directed Animals

abbreviation
DA
category
set
type
non-symetrique
dimensions

1, 2, 5, 13, 35, 96, 267, 750, 2123, 6046

OEIS: A005773

Serie: (1-3*x-(1-2*x-3*x**2).sqrt())/(6*x-2)

properties
binary
generateurs
  • generator _ of arity 2
  • generator | of arity 2
relations
  • equality: x_(y_z) = (x_y)_z
  • equality: (x|y)|z = x|(y_z)
  • equality: (x_y)|z = x_(y|z)
  • equality: (w|(x|y))_z = w|(x|(y|z))

References