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

Doctor Esker's Notebook


Hint
Small #116031118176016211395107891210231159
Small #215271031170015011366105282110031044
Small #3144092516731477138210328429461005
Medium #11467941167013871450111085510221051
Medium #2124589915591310142910368659991043
Medium #31160811121412661396956806887949
Large #11260735121312001209944742806854
Large #21224634118810611116908698759805
Large #31462702119913091021961690631741


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1283515345310285175342326125265
Small #2273535348319276140338336130253
Small #3242518318335283131329329117245
Medium #1269542322331240119326356120254
Medium #2254527272324241123299354112262
Medium #3258544239319190116282362111235
Large #1221589256353164132270361121268
Large #2206554229347195126235346113256
Large #3195447248267177173259345121303

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


Hint
Small #126524823413724324340
Small #226474824463329314239
Small #325465122442927324243
Medium #127415927433028344443
Medium #228396028402731334237
Medium #329435927382326354239
Large #126416833432530404047
Large #217386334471938374050
Large #321425543432030242849

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.