Here's how many times people have looked at hints:

Doctor Esker's Notebook


Hint
Small #114319981554142812139458179131040
Small #21355911150513091194919732894942
Small #31277818146513081202912751842901
Medium #11316826146612351274986765911951
Medium #21114789136311631273916773886950
Medium #31037713107211221246844736787868
Large #11123654107110731075830673715781
Large #210865641050949987807632674739
Large #3129762010491163909852622563686


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1229418283260224144280268103214
Small #2220438284266220117275277106205
Small #320042226527622311126927392197
Medium #121944426726918610226829194207
Medium #221043322726318810624928288212
Medium #32104481972591569723528685189
Large #117848421928413711122328692218
Large #217145119028615810518927488208
Large #316636020622214414821127693249

Return of Doctor Esker's Notebook (The Other Sequel)


Hint
Small #132181815129109
Small #21714131313978
Small #31715131314778
Medium #11516141410769
Medium #2111216131311611
Medium #31012121697610
Large #11815191614101114
Large #21515191812101515
Large #31815242013111618

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.