LoadPackage("FrancyMonoids");

List([1..15], g->Length(NumericalSemigroupsWithGenus(g)));

DrawTreeOfSonsOfNumericalSemigroup(NumericalSemigroup(1),6,MinimalGenerators);

gens:=s->Difference(MinimalGenerators(s), [Multiplicity(s)]);

s:=NumericalSemigroup(3,4,5);

DrawTreeOfSonsOfNumericalSemigroup(s,5,gens);

DrawTreeOfSonsOfNumericalSemigroup(s,15,gens);

DrawTreeOfSonsOfNumericalSemigroup(s,25,gens);