12 Days of Christmas
1,0009101,000
869954
1,000994993
968920996954997
1,000923967
9131,000979997961985
958
981978956
960993957963
99 Bottles of Beer
1,0009891,0009149609959801,000986932931
1,0008411,0001,000976
983876995
9641,0001,0001,0001,000970
967
1,000980839
9809679581,000
Abundant Numbers
927
981925888424859843902907932930
8478891,0008481,0001,0001,000833598923800960786851910953964826
850
1,000933924
806848803645829
Abundant Numbers (Long)
927
9649261,000
901
9021,0001,0001,000
1,0009261,0009651,0001,0001,0001,000
9818049621,000985
9531,000957
944935988
1,000986675912
Arabic to Roman
1,0009541,000
808836
1,0001,0001,000
9811,0001,0009831,000
8917571,000
993902944985779978
954
986977978
9081,000
Arithmetic Numbers
967793
996909
958943
967957
949
941941
Arrows
990965907
953
1,000988921
9511,000
1,000
955781926
9519721,000956
924
811923
1,000
Ascending Primes
1,000
1,000
783
905
ASCII Table
972833976
1,000860
966989
983
982792
888
951
830865
brainfuck
757
1,000
878
1,000
975
888
879
1,000988908918
943
1,000850
785
Card Number Validation
1,000
992
977
Catalan Numbers
1,000
871819
988
1,0001,0001,000
1,0001,0001,000
1,0009611,0001,0007131,000930
8311,000
9419801,000
9621,000
510
Catalan’s Constant
1,0001,0001,000
9859771,0001,0001,000946
9881,0001,0001,0001,0001,0007411,0007509051,000
1,0001,0001,0009851,0001,000797973
1,0001,000990
1,0008841,000
Christmas Trees
8927411,000752802888
1,000824983
9188971,0009401,000
976683972946
9649889409809481,000
886
1,000965957
1,0007669326831,000
Collatz
1,000942964
1,0001,0001,000
893976
963
1,000
982
1,000967
900
1,000961
CSS Colors
905
852840
937
797926
728
7809411,000
941
990974
71
Cubes
952
1,000
674
718
1,000
741
711799
Day of Week
9171,000
1,000
1,000418
1,0001,000
1,000
1,0001,0001,000
1,000741
Diamonds
8389131,000748808588911,000942908
9579249767751,000
990702882952
926835910980893847
905
959746952
903944701935898
Divisors
889
9429581,000579841,0009521,0001,0001,000
1,0008491,0009819231,0001,0001,0006811,0008868751,0009851,0001,0001,000970
1,000
9661,0001,000
928955969593979
Emirp Numbers
980
1,0008489767048211,000
1,0001,000985
1,0001,0007769141,0009529671,000727971985
9739879249809861,000
944
1,0001,000878
8449769621,000913
Emirp Numbers (Long)
9059551,000
9799919921,0001,0001,000
9591,000
897837968971757910
1,000971
835
1,0001,000
Emojify
939
1,000
1,000985
966
1,000
1,000
934
Evil Numbers
500
8001,0008916529259649441,0001,0001,000
9239381,0001,0009647789431,0001,0005969748861,0008441,0001,0001,0009508061,0001,000
923964982
7531,000976897950
Evil Numbers (Long)
9131,000
9099839461,0001,000968
1,0001,000
842
1,0001,000
975
1,0001,000
1,0001,0001,0008791,000976
967
Factorial Factorisation
1,000
1,000
940
Farey Sequence
9521,000
1,0001,000
1,000
988
1,000
Fibonacci
1,0009409711,0009776439791,0001,0001,0001,0001,000
1,0008131,0001,0001,0008971,0009566061,0008008131,0009501,0009601,0001,0001,0001,0007571,0001,000985
9719781,0001,0001,000
Fizz Buzz
875
1,0001,0009319581,000925
1,0001,000981
8999771,0009159739761,0001,0007011,0009678041,0009531,0001,0001,0001,000
1,000
1,0001,000949
855971959940919
Foo Fizz Buzz Bar
1,0009181,000
873
950983
9721,000
800
979942769898841
1,0009821,0001,0001,000
1,000
862
953
908
Forsyth–Edwards Notation
1,000
9641,000
1,000
945
1,0001,000
Fractions
1,0009561,000
843
1,000947959
1,0001,000
833
1,000822969
9208899808681,000958
839
9381,000
882
Game of Life
1,000
Gijswijt’s Sequence
1,000
1,000
1,000
746
886
Happy Numbers
977
1,000779972669938975
1,0009761,000
1,0001,0008719319631,0008821,0007068999251,0009359108929201,000981
1,000
9511,000956
798791896869953
Happy Numbers (Long)
983761980
902798
1,0009911,000
1,0001,000
9641,0008861,000694
9629129899239201,000688
900
952
869
Hexdump
809
1,000933
966
1,000
994
1,000985
1,0001,000
Intersection
942978
909
1,0001,000908
9721,000
935
6961,000861913
956852945911989
857
982704
9201,000
Inventory Sequence
1,000930972
1,000982976
944961
1,000
970
945
1,000977957
982
927
ISBN
918821932
759
1,000847
1,000947
1,000
9688061,000
864939980948
929
1,000919
602
Jacobi Symbol
1,000
1,0001,0001,000
1,0009651,0001,0001,0001,0009331,0001,0009771,0001,0009761,000
1,0008831,000989
1,0001,0001,0001,0001,0001,0001,0001,000
1,000908
1,0001,0009501,0001,000
Kaprekar Numbers
1,000
1,000
887
Kolakoski Constant
1,0001,0001,000
992
1,000912875
1,0001,000974
976
7291,000708911
1,0001,0008161,000940
886
1,000967
9571,000
Kolakoski Sequence
952
9781,0001,000
8791,0009291,0009431,000
9358971,000
893
1,0001,000670961
1,000
9628291,0001,000907
912
907918
965766
Leap Years
903
9789239388109149329471,0009211,000
800939952911931913980966980608976889
9789298221,0009571,000881935
1,000917933
7388648891,000896
Levenshtein Distance
873
774
1,000
1,000
1,000
982
751951
938872
1,000
662
7781,000
861768
Leyland Numbers
1,000971966
8919619321,000927931
940985874927964
969953784972758
9699091,0001,000952
986
1,000875
713
922933
ln 2
9891,0001,000
9649439171,000778958
9709801,0009811,0009419061,0006991,0001,000
1,0009801,0001,0009799778981,000
932792921
1,0009389331,000975
Look and Say
897
867966925
744
1,000833982
1,000922896
1,000
7099876851,000
8838691,000938983
841
9471,000
839981
Lucky Numbers
9831,000989
1,0009691,000
9861,000
962
1,000727968
9749489331,000909
947
875940
1,000974950
Lucky Tickets
863924983
876969
1,0009931,000
1,0001,0001,000
1,000
9719858071,000
9701,0009061,000819
990
788875
8121,000
Mandelbrot
1,000
1,000
Maze
731
Medal Tally
953
944
Morse Decoder
1,0001,000
908
1,000
944
774992
1,0001,000825983
835
981904
1,000
Morse Encoder
1,000
732
1,000
985
1,000
671966
1,000979778
945
1,000966
1,000
Musical Chords
1,000761
1,000906789
833
589
983917774
753
945833
529
Niven Numbers
1,000
1,0001,0001,0006909611,0009711,0009691,000
9071,0001,0001,0009891,0001,0009661,0006211,0009498401,0001,0001,0001,0001,0009661,0001,000
1,0009441,000
8051,0001,000907
Niven Numbers (Long)
1,000
1,000
9399209651,0009151,000
9851,0009841,0001,0009841,0001,000669
852952984980941
844985893
1,0001,000987
979984984
Number Spiral
880922932
1,000791
8701,000
977
958809650869
1,000
8901,0001,000
818
Odious Numbers
485
7951,0008726779619829321,0001,0001,000
8879391,0001,0009648249261,0001,0006069749171,0008671,0009851,0009748001,0001,000
9239661,000
7251,0001,000850
Odious Numbers (Long)
8001,000
9819829591,0001,0001,000
1,0001,000
833
1,0001,000
1,000
1,0001,000
1,0001,0009749031,0001,000
Ordinal Numbers
938946920
955879
1,000900931
8389909929518618329438717401,000922
9528778281,000853949
920
1,000889793
1,000915833836
PalindromemordnilaP
1,000
1,000
1,000
Pangram Grep
9578271,000
831
1,0009589618449859897761,0009421,0001,0008921,0007581,000977
9379201,0001,000968949
1,000
970951951
1,000
544
Partition Numbers
1,000
1,000
1,000
1,000
Pascal’s Triangle
1,0009561,0001059429759661,0007441,000
1,0008689419911,0008991,0001,000664963957
1,0008839911,000945889
1,000
1,0001,000988
9608909711,000
Pernicious Numbers
629
1,0001,0001,0005411,0001,0001,0001,0009431,000
8731,0001,0009611,0001,0008951,0001,0006121,0009438951,0001,0001,0001,0001,0001,0001,0001,000
1,0001,0001,000
7071,0001,000897
Pernicious Numbers (Long)
850945986
1,0009589881,0008661,000
1,0001,0009901,000
1,0001,0006521,000936
9829849151,0001,000744
963
8259351,000
919983
Poker
900
765
1,000
953
770902
9821,000
794
977869
1,000
Prime Numbers
913
1,0001,0009836849639549611,0009641,000
9771,0001,0008919399441,0001,0001,0006481,0008574231,0001,0009741,0001,0008489391,000
1,0001,0001,000
8468771,0001,000
Prime Numbers (Long)
920
1,000902958
9821,0009741,0001,000975
8701,0001,000960950
1,0001,0006511,0007914649559081,0001,0001,000
1,000
1,0001,000
915
1,000
Proximity Grid
1,000
9541,000
881
960
QR Decoder
756
1,000
1,000
763
Quine
1,000
5961,0008829435941,000
1,0001,000909
1,0006009841,0001,0001,0001,0001,0006381,0001,0003811,0001,0001,0001,0009476801,0001,000
6301,000682
1,0001,000414889
Recamán
958977987
9449899571,000989902
949982960
806
914928705944
9729711,0001,000957
984
731913
1,000760
Repeating Decimals
1,000
1,000
984
1,000
Reverse Polish Notation
1,0001,000
1,000984
9001,000
1,000
920
849
9961,000990
901
1,000
833
Reversi
960
Rijndael S-box
1,000
1,000
597
Rock-paper-scissors-Spock-lizard
939
979
1,000983925
951
953993
938803933
1,000963
949
973
987936936
1,000
Roman to Arabic
9866741,000
989811
1,000978986
9251,0001,0009591,000
9799897551,000
8998261,0001,000977970
980
971968940
838927860
ROT13
995
1,000
1,0001,000
958
1,000
Rule 110
1,0001,000984
933735
1,0001,000713
8979801,000792960
9116301,000
8918861,0009171,0001,000
959
968843876
832941932
Scrambled Sort
1,000
958
Seven Segment
1,000771894
922863
1,000966989
1,0001,000
1,000
1,000753972
9259309289161,000894
982
902988923
1,0009291,000
Sierpiński Triangle
1,0001,000974
1,0009581,0001,000976960
8991,0001,0009229239139411,0006521,0001,000
1,0001,0001,0001,0001,000962
966
979943921
984973851780
Smith Numbers
989959924
924
1,000911933
9651,000
1,0008518541,000730925
9451,000913930
897
911
548
Spelling Numbers
971
929
1,0001,000
1,000
658916
958
1,000843997
806
958910
773
Star Wars Opening Crawl
776
1,000
888
9841,000
872
1,000988
Sudoku
1,000
1,000
853
958
963
Sudoku (Fill-in)
1,000913
1,000
887
762
824
766
1,000
955
Ten-pin Bowling
9551,000
819
1,000905850
9491,000
920
749698967
8471,0009638851,000
948
987905
927875
Tic-tac-toe
833
1,000
1,000
1,0001,000
1,000
957
Time Distance
890
1,000
924
972
Tongue-twisters
947661
802
1,000799878
970766
961
805892
7669401,000
856
921
898
Topological Sort
1,000
1,000
Tower of Hanoi
1,000
1,000
1,000
957897
Transpose Sentence
1,000
925
1,000
867
Trinomial Triangle
1,000
1,000
867
United States
9761,0001,000
711
1,0009431,000
9921,000989647
847963
992843973927988
899
9871,000
1,000
Vampire Numbers
1,0009331,000
1,0008671,000
1,000984
1,000
987618893
8861,0001,0001,000
1,000
1,000963
1,000
Van Eck Sequence
9559511,000
940
1,000931915
8629621,000
1,000
1,000905680956
906922917975977
1,000
6601,000
908667
Zeckendorf Representation
1,000
987
1,000
908
Zodiac Signs
931
1,000
1,000
1,0001,000
948
958
9511,000
γ
1,000
808
1,000
743
λ
364
9701,000460401395
1,000932839
9691,000928406902925178991731822974
7877577651,000991949
803
846793405
7737607551,000317
π
704
9699901,0001629649739771,0001,000838
9249811,0001,0001,0009321,0001,0006931,0001,000
1,0009431,0009261,0001,0007861,000
9798751,000
1,0001,000967626988
τ
704
9699901,0001649649649771,0001,000827
9509811,0001,0001,0009211,0001,0007191,0001,000
1,0009361,0009311,0001,000778985
9798571,000
1,0001,000984614977
φ
811
9799721,0001089829908721,0001,000803
9709761,0009751,0001,0009581,0006141,0001,000
1,0009301,0001,0001,0001,0007941,000
1,000946962
1,000967680834966
√2
784
9799251,0001039469018501,0001,000781
9859781,0001,0001,0001,0001,0001,0005281,0001,000
1,0009241,0001,0001,0001,0007901,000
1,000946906
1,0009419336381,000
𝑒
853
9709429561129679509821,0001,000881
1,0009769909791,0009669581,0006881,0001,000
1,0001,0009939639291,0009091,000
1,000929983
1,000955929577981