neighbour_sequence

neighbour_sequence(k: PlanarDiagram, node) → tuple

Computes the neighbor sequence for a given node in a PlanarDiagram.

Args:

k (PlanarDiagram): The PlanarDiagram object containing nodes and edges. node: Starting node for which the neighbor sequence is computed.

Returns:

tuple: A tuple where each element represents the size of a neighbor

layer in the sequence, starting from the initial node.