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

Doctor Esker's Notebook


Hint
Small #1150110571636148512819988499451085
Small #21425972157713641259975764927980
Small #31346869154813571266963784873942
Medium #113808821542127713351037795945991
Medium #21172843143812011322970805925985
Medium #31095760112311601288897759820898
Large #11184696112611071105885699751812
Large #2114960511049811018854656705766
Large #3136966711131218933901645584703


Son of Doctor Esker's Notebook (The Sequel)


Hint
Small #1258461312289254163311293115245
Small #2250482313298246132307300116235
Small #3223465291313253124299293102228
Medium #1248487297307215113300317105236
Medium #2237477249303215117275308100242
Medium #323749221929717310726132097216
Large #1200533239323150123246320103247
Large #218950020832117611721330997235
Large #3178401228246164160236312103280

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


Hint
Small #15224191516111212
Small #2272013131611812
Small #325211214178910
Medium #125211414119712
Medium #2201615131413713
Medium #318161217108711
Large #12719201717121317
Large #21719201915121817
Large #32119262015131920

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.