12 Days of Christmas
2,492nd756th1,304th2,933rd505th1,047th2,740th1,014th2,695th410th250th299th468th3,024th1,536th2,291st2,071st1,229th1,135th936th
24 Game
316th328th311th348th306th365th345th367th320th366th39th285th175th546th469th349th314th229th338th279th
99 Bottles of Beer
2,355th933rd703rd2,334th793rd2,478th1,467th942nd1,068th590th116th767th644th2,456th676th1,954th359th809th897th837th
Abundant Numbers
2,298th982nd2,578th2,748th1,237th3,261st1,100th1,502nd925th767th1,271st839th811th2,215th1,720th2,078th1,044th3,014th1,729th2,857th
Abundant Numbers (Long)
1,764th1,206th1,642nd1,270th444th1,829th895th460th958th1,000th253rd1,579th500th1,683rd1,341st1,046th587th
Arabic to Roman
Arithmetic Numbers
1,239th766th1,296th862nd365th1,235th394th263rd378th506th145th1,096th159th1,233rd714th611th496th
Arrows
Ascending Primes
704th831st768th574th683rd813th596th606th525th582nd205th348th324th443rd622nd784th829th693rd769th346th
ASCII Table
1,546th547th1,540th334th1,472nd1,748th502nd521st495th493rd180th892nd466th1,222nd1,513th1,312th1,116th1,140th1,321st908th1,437th1,365th1,148th1,421st1,341st1,758th1,729th332nd477th365th1,500th959th1,708th1,410th294th1,298th1,192nd1,156th1,720th1,450th1,587th1,389th388th1,354th1,560th487th1,113th1,357th1,103rd875th516th1,007th696th
Billiards
brainfuck
Card Number Validation
Catalan Numbers
1,478th1,272nd1,238th1,127th1,118th1,364th1,149th1,355th1,152nd948th883rd1,097th1,017th1,071st1,394th
Catalan’s Constant
556th1,084th989th477th508th753rd331st422nd316th817th115th437th545th420th889th990th861st863rd476th895th630th530th283rd1,121st1,122nd614th
Christmas Trees
2,254th2,015th1,941st593rd1,520th2,337th913th1,318th832nd747th511th
Collatz
2,497th918th2,031st862nd1,874th2,582nd1,026th100th661st553rd486th2,473rd1,023rd2,126th1,961st1,164th943rd
CSS Colors
Cubes
1,042nd897th891st1,152nd819th1,226th519th911th502nd249th76th
Day of Week
DFA Simulator
Diamonds
1,618th1,469th1,585th1,562nd1,511th1,701st1,359th1,346th1,310th1,561st123rd1,481st997th1,657th1,525th1,509th1,208th1,358th1,516th1,526th
Divisors
4,263rd2,854th3,401st2,280th1,683rd4,398th1,723rd2,554th2,221st3,546th1,671st3,356th2,311th3,493rd2,016th2,761st762nd2,802nd719th2,721st3,397th4,284th1,141st3,945th
Emirp Numbers
583rd1,930th1,812th859th865th915th426th1,000th576th898th527th206th430th464th749th1,989th2,087th1,092nd1,007th1,459th
Emirp Numbers (Long)
946th1,121st1,118th958th982nd1,051st938th931st912th531st92nd952nd353rd921st960th1,056th1,063rd999th900th309th
Emojify
Evil Numbers
3,018th3,024th2,782nd3,557th2,893rd3,172nd1,099th1,395th857th2,304th1,279th632nd1,416th1,062nd907th2,017th1,401st2,879th3,350th1,123rd3,907th2,898th2,493rd3,148th2,561st4,245th2,950th3,570th939th1,255th3,464th2,748th2,320th2,131st1,709th2,558th2,245th1,101st3,986th2,438th3,973rd2,764th191st3,525th4,055th3,216th3,137th2,234th1,023rd2,023rd601st2,216th2,415th2,796th1,754th2,535th3,463rd2,745th
Evil Numbers (Long)
1,904th1,694th1,809th1,880th1,452nd1,913th1,438th1,482nd919th1,634th405th1,763rd775th824th762nd1,118th1,581st1,520th1,551st616th1,855th1,599th1,417th1,613th1,395th1,912th1,561st1,674th792nd1,654th1,484th1,396th1,256th1,055th1,609th915th1,644th896th1,893rd1,720th1,870th1,552nd103rd1,688th1,890th1,829th
Factorial Factorisation
699th856th685th767th632nd600th604th766th556th944th533rd164th324th718th865th700th759th537th756th577th
Farey Sequence
863rd705th659th739th573rd1,012th629th618th605th576th307th835th476th878th643rd610th584th840th718th849th
Fibonacci
6,795th4,623rd3,033rd1,979th2,399th7,747th1,995th2,126th1,939th5,222nd4,628th4,536th3,442nd6,322nd5,180th3,702nd2,584th7,077th5,602nd7,804th
Fizz Buzz
9,215th4,887th7,427th5,287th3,636th10,065th1,418th2,127th2,307th2,309th2,213th6,965th2,106th8,592nd9,100th7,012th2,072nd6,735th8,270th10,441st9,140th10,758th5,891st10,233rd
Foo Fizz Buzz Bar
2,553rd883rd2,337th1,248th804th2,423rd969th1,193rd1,235th583rd384th2,235th217th1,959th2,194th1,702nd888th2,154th2,104th2,543rd
Forsyth–Edwards Notation
663rd
Fractions
Game of Life
Gijswijt’s Sequence
608th441st606th580th465th558th578th503rd571st458th184th135th409th590th529th502nd472nd486th447th357th
Happy Numbers
644th1,963rd1,702nd1,536th1,519th1,340th821st1,228th608th2,143rd504th225th628th455th942nd
Happy Numbers (Long)
1,305th1,545th1,535th1,266th1,274th1,457th1,255th1,254th1,156th1,371st797th1,269th841st1,102nd1,303rd
Hexdump
Intersection
Inventory Sequence
1,003rd921st991st835th840th987th837th832nd825th716th725th818th483rd848th870th864th872nd871st827th846th
ISBN
Jacobi Symbol
Kaprekar Numbers
292nd573rd383rd391st435th183rd415th526th352nd619th131st157th368th437th611th521st563rd145th474th412th
Kolakoski Constant
588th1,085th958th484th333rd1,324th410th421st356th759th451st457th551st386th812th1,002nd811th696th430th802nd670th498th378th1,131st1,005th367th1,238th477th311th668th341st535th1,166th437th365th399th
Kolakoski Sequence
1,467th1,163rd1,189th1,173rd1,136th1,168th1,185th1,135th1,167th1,111th1,100th1,069th1,120th1,184th1,144th1,132nd1,133rd1,081st1,125th1,124th
Leap Years
3,801st794th2,216th2,896th221st3,745th378th598th282nd658th1,950th3,609th1,111th2,784th503rd1,131st300th2,839th591st188th
Levenshtein Distance
Leyland Numbers
1,112th1,402nd1,363rd1,081st1,074th1,119th1,071st1,213th1,051st1,181st142nd1,065th92nd1,247th1,354th
ln 2
681st1,046th986th636th638th888th589th602nd582nd793rd634th604th384th690th915th1,034th874th904th637th1,044th848th684th553rd1,102nd1,094th762nd
Look and Say
1,467th1,294th1,289th1,207th1,205th1,495th1,227th1,351st1,196th1,237th1,220th1,182nd1,247th1,310th1,309th
Lucky Numbers
829th948th950th809th834th941st792nd789th786th856th783rd781st807th785th808th
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
110th563rd585th373rd393rd639th394th488th376th464th37th208th178th475th614th529th463rd383rd435th429th
Niven Numbers
2,692nd2,061st1,394th2,335th873rd2,743rd1,143rd931st1,226th1,500th2,282nd992nd1,109th1,878th1,132nd1,390th882nd2,697th1,172nd2,180th
Niven Numbers (Long)
1,682nd1,555th1,614th1,574th1,153rd1,696th991st1,193rd1,028th1,207th529th1,617th680th1,697th612th1,468th1,204th
Number Spiral
276th939th1,019th231st615th988th489th896th337th1,176th528th368th692nd825th1,079th776th879th613th843rd798th
Odious Numbers
2,553rd2,546th2,074th2,813th1,043rd2,733rd945th1,116th842nd1,887th1,091st545th1,432nd995th729th1,726th1,097th2,459th1,410th1,418th3,184th2,401st2,099th3,056th2,158th3,428th2,368th2,700th717th1,000th2,791st2,246th1,415th1,791st1,440th1,848th1,992nd932nd3,280th2,092nd3,250th2,363rd739th2,874th3,249th2,905th2,792nd1,942nd835th2,016th498th2,059th1,981st2,592nd1,858th1,951st2,941st2,197th
Odious Numbers (Long)
1,692nd1,564th1,559th1,669th1,360th1,704th1,196th1,356th675th1,390th369th1,544th859th765th714th1,030th1,418th1,278th1,427th593rd1,645th1,414th1,300th1,619th1,242nd1,697th1,410th1,499th731st1,446th1,329th1,296th904th763rd1,438th653rd1,468th668th1,681st1,546th1,654th1,387th610th1,552nd1,670th1,653rd
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
2,366th2,402nd2,404th2,103rd2,110th2,241st2,099th2,225th2,063rd2,172nd1,130th2,043rd1,052nd2,325th2,352nd2,211th2,255th
Pernicious Numbers
1,289th1,090th1,237th1,174th1,959th1,856th648th725th844th1,022nd996th789th815th1,609th920th1,039th593rd1,796th1,514th772nd2,406th1,642nd526th1,825th1,839th2,708th1,328th1,111th555th826th1,782nd823rd1,342nd845th284th413th1,911th1,559th1,636th1,124th2,579th2,248th29th1,166th1,714th2,134th1,993rd726th361st1,823rd947th1,894th331st2,192nd1,610th780th2,240th503rd
Pernicious Numbers (Long)
1,111th1,016th857th1,079th783rd1,116th750th856th540th749th330th965th412th961st504th712th782nd
Poker
Polyominoes
234th106th297th298th63rd385th302nd267th289th341st190th81st258th387th330th307th249th68th116th182nd
Prime Numbers
2,825th2,634th3,556th3,403rd1,311th3,151st1,751st2,677th766th2,406th1,291st633rd2,136th2,220th2,023rd2,331st2,109th3,041st1,424th207th
Prime Numbers (Long)
2,130th1,351st1,965th1,775th967th2,216th1,205th1,233rd1,107th1,342nd1,261st1,858th1,073rd2,110th959th1,356th1,276th
Proximity Grid
QR Decoder
Quine
1st2,415th241st
Recamán
1,330th1,516th1,523rd1,278th1,298th1,383rd1,270th1,255th1,248th1,314th1,095th1,261st1,146th1,253rd1,296th
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
167th427th807th978th483rd840th786th594th651st875th196th317th487th596th968th677th613th344th750th550th238th742nd706th808th553rd721st974th454th501st546th391st498th593rd512th430th736th524th844th787th692nd845th555th505th416th747th240th353rd653rd579th436th373rd359th539th467th279th576th357th283rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
988th965th1,024th989th942nd980th1,036th957th1,007th946th338th
Seven Segment
SI Units
Sierpiński Triangle
1,660th1,167th1,143rd1,316th1,198th1,314th1,328th1,101st1,182nd1,038th625th827th620th1,261st1,180th1,139th1,125th976th1,084th1,105th
Smith Numbers
805th1,006th994th812th827th858th797th789th781st903rd727th788th453rd709th804th
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
328th297th305th790th338th619th428th1,187th284th312th186th358th389th413th819th868th687th981st655th445th330th401st672nd846th743rd1,276th1,456th222nd830th275th239th496th65th1,149th200th745th458th639th1,488th398th1,218th1,472nd362nd217th755th776th345th300th385th513th168th293rd895th505th209th319th251st218th374th
Transpose Sentence
United States
Vampire Numbers
81st992nd913th658th574th724th444th411th347th834th497th425th600th190th519th
Van Eck Sequence
1,274th1,181st1,166th1,046th1,067th1,124th1,055th1,045th1,037th1,076th944th1,031st797th1,059th1,083rd
Zeckendorf Representation
Zodiac Signs
γ
158th635th850th258th244th357th189th381st147th926th104th150th588th380th948th1,032nd929th413th389th894th803rd210th194th972nd1,034th282nd973rd137th181st743rd145th199th695th305th132nd173rd
λ
129th887th1,241st331st318th577th141st256th138th683rd208th404th466th153rd1,140th1,359th766th561st228th685th1,179th350th111th1,406th1,138th258th
π
1,427th2,402nd2,283rd1,178th1,237th1,934th884th967th845th1,627th1,140th1,040th1,276th1,353rd2,085th2,289th1,840th1,915th1,167th2,388th1,799th1,322nd731st487th2,507th1,527th
τ
982nd1,448th1,387th866th894th1,231st719th758th688th1,075th850th788th913th938th1,308th1,386th1,152nd1,232nd852nd1,442nd1,165th936th621st1,507th1,504th1,052nd
φ
1,174th1,564th1,472nd1,013th1,071st1,563rd940th978th943rd1,297th352nd973rd561st1,081st1,534th1,589th1,383rd1,371st1,026th1,649th1,258th1,076th947th1,725th1,665th1,372nd
√2
1,377th1,823rd1,728th1,193rd1,206th1,868th1,090th1,172nd1,108th1,416th259th1,141st614th1,307th1,723rd1,832nd1,596th1,568th1,202nd1,890th1,504th1,257th1,142nd1,990th1,938th1,338th
𝑒
1,276th2,105th1,992nd1,157th1,216th1,644th1,084th1,085th1,037th1,299th1,151st1,128th594th1,234th1,638th1,698th1,422nd1,542nd1,155th1,980th1,612th1,188th964th2,149th1,990th1,285th