Without stating where / how, can you give us an indication of dilution in a "YC Never invests again, company does series A, B & C" scenario? It is complicated,

Without stating where / how, can you give us an indication of dilution in a "YC Never invests again, company does series A, B & C" scenario? It is complicated, I am sure, but YC participation in subsequent rounds, but just as a "what to expect as an investor", what dilution would / does one expect?