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

Doctor Esker's Notebook


Hint
Small #1144310151597143812329678189161053
Small #21370933154113211210944734903953
Small #31295839150813191214935755847914
Medium #113328491504124312851012768919962
Medium #21125813139911691272943775901958
Medium #31051735109611291241870735799871
Large #11139675109810781066858674731795
Large #211015881074956984833629685749
Large #3131764110781173901877624570684


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1248439302274242157299281111232
Small #2239460304281235128294288113222
Small #321644328329624012028628398216
Medium #1235466287286200110283302101224
Medium #222445524128420311526129496228
Medium #322546920727916510424830192204
Large #119151022930714312023430198234
Large #218047419730716911419928992222
Large #316938121823515515722429297263

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


Hint
Small #1352118141310109
Small #220171212141078
Small #31918111215778
Medium #11819121310769
Medium #2131414121311611
Medium #31214111597610
Large #11917191516111214
Large #21517191714111615
Large #31917251914121719

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.