12 Days of Christmas
965
896
959
855
937
920
965
929
888
896
926
982
961
963
957
1,000
902
965
929
988
942
985
972
970
971
942
945
959
939
99 Bottles of Beer
966
976
953
836
981
980
951
895
904
903
948
808
928
960
997
942
968
992
966
935
958
934
991
983
988
961
987
966
823
943
934
982
910Abundant Numbers
876
925
866
838
384
841
803
853
794
886
780
831
920
808
1,000
948
991
770
847
918
772
955
849
742
788
831
909
947
799
852
961
901
873
741
795
742
631
732Abundant Numbers (Long)
873
909
856
898
856
835
857
945
903
846
905
878
1,000
935
995
916
944
773
957
905
926
902
906
937
924
908
893
914
918
891
852
802Arabic to Roman
902
878
886
787
783
828
919
865
984
874
898
988
804
818
968
996
896
890
881
948
726
944
926
942
952
877
852
880
Arithmetic Numbers
916
732
819
872
787
931
865
907
881
917
Arrows
894
886
806
891
825
843
843
865
957
846
891
888
862
854
845
940
903
905
769
875
885
Ascending Primes
946
ASCII Table
910
817
903
874
920
929
983
929
895
918
824
921
807
845
brainfuck
679
825
779
1,000
840
856
805
856
945
836
885
915
932
846
Catalan Numbers
1,000
840
711
899
845
908
894
915
840
982
890
978
837
890
951
872
897
826
925
891
885
970
922
955
506
Catalan’s Constant
912
911
895
927
896
911
854
877
916
931
881
895
1,000
935
741
879
909
947
994
915
912
889
884
951
919
954
763
972
967
974
898
895
796
888
Christmas Trees
806
694
899
707
775
845
849
929
906
858
863
861
1,000
798
899
889
944
901
907
904
908
840
942
899
969
953
964
947
897
895
707
862
659
Collatz
933
886
874
860
936
809
865
963
912
969
897
943
914
949
952
918
CSS Colors
799
817
990
728
876
712
728
671
828
989
904
857
870
831
Cubes
872
851
608
772
951
759
676
773
Day of Week
899
853
923
785
889
824
826
807
857
919
1,000
880
688
Diamonds
780
843
904
67
837
805
829
854
862
860
837
899
708
1,000
882
848
849
915
897
862
761
808
938
878
818
887
925
723
888
875
861
668
902
734Divisors
848
873
910
904
52
950
952
883
867
935
915
768
915
913
905
949
1,000
912
943
977
844
870
919
946
919
898
958
959
941
983
941
965
942
825
890
887
558
876Emirp Numbers
913
922
780
877
636
776
932
896
912
902
928
704
836
967
894
989
896
920
938
918
910
904
897
820
929
929
942
937
969
959
811
751
881
872
898
785Emirp Numbers (Long)
893
846
872
906
911
901
847
914
900
875
868
763
986
873
895
858
876
921
893
805
958
932
Emojify
845
895
845
868
959
906
958
914
Evil Numbers
648
731
933
808
591
921
910
907
896
939
834
850
912
916
894
766
884
969
904
913
945
832
1,000
912
788
920
898
948
902
774
906
981
882
931
921
678
903
890
819
836Evil Numbers (Long)
833
916
874
912
876
857
906
910
905
830
966
888
931
1,000
901
917
888
937
926
829
901
949
842Fibonacci
985
912
962
907
592
950
961
940
898
961
937
927
934
949
1,000
863
969
921
956
980
767
812
935
957
921
924
926
964
967
925
986
715
979
974
940
898
924
938
943
884Fizz Buzz
858
966
979
879
899
982
978
917
955
862
926
962
882
973
945
993
951
972
991
941
802
958
975
923
932
992
982
993
993
992
987
921
836
943
916
918
795Foo Fizz Buzz Bar
944
909
918
898
873
914
920
842
1,000
883
924
878
807
913
929
871
973
955
970
985
845
885
872
Forsyth–Edwards Notation
812
861
861
1,000
877
983
913
Fractions
905
852
851
851
811
854
883
836
833
845
906
917
870
822
782
829
788
891
897
932
877
990
839
Game of Life
973
Gijswijt’s Sequence
896
1,000
714
847
Happy Numbers
922
924
757
881
601
889
914
900
936
913
932
727
869
958
941
892
917
923
867
871
1,000
888
870
837
796
876
939
932
978
917
961
885
721
729
826
805
834Happy Numbers (Long)
924
728
875
860
737
849
934
910
893
960
927
893
898
863
1,000
891
835
885
870
870
679
871
888
797
Hexdump
724
860
933
837
854
931
885
916
938
Intersection
847
866
831
818
810
874
858
930
668
860
899
918
857
856
819
863
862
893
825
909
656
818
856
Inventory Sequence
925
899
860
849
907
898
844
1,000
884
890
897
947
927
923
942
876
ISBN
852
763
686
711
859
888
840
995
861
905
954
851
834
568
925
866
916
947
870
546
Jacobi Symbol
909
924
926
859
916
875
894
815
904
839
836
840
877
854
915
1,000
897
838
888
938
916
852
894
876
839
924
895
900
873
951
915
934
859
862
870
841
875
Kolakoski Constant
903
913
882
902
868
806
906
903
986
771
884
871
869
896
896
879
768
920
893
916
951
928
864
892
Kolakoski Sequence
920
880
923
871
816
907
829
846
910
845
799
873
872
951
861
902
910
1,000
875
847
723
924
918
918
878
849
858
866
718
Leap Years
875
932
955
925
729
900
957
927
886
963
762
933
929
939
913
913
935
906
917
947
979
934
880
936
948
843
974
960
986
872
920
976
892
950
796
927
917
951
780Levenshtein Distance
758
698
805
941
940
925
761
891
889
813
959
637
778
968
830
843
Leyland Numbers
909
911
841
830
884
855
856
887
882
896
757
821
1,000
957
874
894
941
720
884
856
776
929
892
957
939
854
639
823
893
ln 2
886
892
875
901
852
821
843
869
876
920
868
865
1,000
865
882
873
864
943
955
912
862
856
865
980
890
923
828
965
879
774
874
868
871
829
870
Look and Say
869
811
881
818
687
861
938
815
896
775
1,000
681
890
822
962
883
802
759
973
871
924
816
920
956
755
913
Lucky Numbers
900
910
870
859
924
892
876
962
886
881
915
888
879
849
805
933
911
933
813
887
869
872
899
Lucky Tickets
864
810
824
783
835
813
887
849
864
850
1,000
936
840
811
926
850
850
838
853
857
733
936
722
808
711
835
Maze
638
Medal Tally
873
Morse Decoder
935
869
851
836
906
873
971
876
956
814
959
841
951
898
926
Morse Encoder
913
716
843
929
992
709
938
957
920
790
936
952
938
895
Musical Chords
877
662
813
805
908
835
784
818
861
681
780
918
864
526
Niven Numbers
979
935
954
918
620
925
950
911
898
960
841
928
932
926
915
1,000
951
909
932
936
976
908
840
914
949
940
907
974
956
945
926
983
978
918
942
739
939
933
849
833Niven Numbers (Long)
928
904
900
861
896
856
963
895
919
888
910
995
911
914
919
908
852
888
888
902
873
882
808
905
870
981
962
907
877
904
896
818Number Spiral
886
822
813
861
888
880
916
1,000
710
716
812
973
767
765
901
905
874
Odious Numbers
579
731
931
791
609
952
921
889
892
940
800
852
916
912
889
817
866
969
913
918
968
859
1,000
913
810
922
888
950
922
769
911
978
884
929
932
651
904
914
779
853Odious Numbers (Long)
737
914
938
909
895
853
935
910
902
827
965
889
950
1,000
904
920
887
939
905
853
901
969
857Ordinal Numbers
895
890
813
902
825
840
874
771
872
874
863
861
760
890
878
856
968
863
848
884
796
725
975
844
905
905
960
858
722
996
833
794
910
Pangram Grep
901
766
605
781
769
823
906
766
915
883
850
860
856
1,000
922
841
877
901
961
916
866
855
916
616
954
886
907
972
935
915
862
910
732
500
Pascal’s Triangle
904
875
884
93
887
899
882
850
900
886
859
761
896
953
833
1,000
879
893
923
885
757
916
786
919
942
877
852
973
961
946
902
840
797
865
912
729Pernicious Numbers
894
919
934
907
486
948
933
922
891
952
794
913
913
873
917
1,000
833
971
915
916
966
887
882
863
934
926
903
962
943
971
912
976
965
963
929
642
907
924
847
890Pernicious Numbers (Long)
781
866
885
935
882
902
856
955
932
911
893
984
958
903
883
955
878
790
904
897
821
948
929
716
932
792
887
912
844
894
856Poker
920
725
847
907
775
900
966
926
815
968
892
900
Prime Numbers
862
908
933
880
621
922
897
872
894
925
880
910
955
807
869
908
944
1,000
904
930
970
804
423
908
941
914
864
948
948
809
854
980
962
959
938
768
808
907
912
836Prime Numbers (Long)
865
908
808
852
877
928
893
838
873
771
959
888
869
913
1,000
889
919
957
735
464
878
874
816
866
869
924
971
955
946
900
Proximity Grid
879
861
923
QR Decoder
679
802
939
723
Quine
1,000
907
966
788
877
597
938
889
842
923
927
895
673
977
945
954
895
931
969
939
381
944
943
920
911
956
890
645
905
975
601
959
935
913
927
383
982
Recamán
939
931
887
893
917
886
866
857
840
919
864
806
977
843
902
914
905
888
861
972
948
938
975
706
884
917
905
Repeating Decimals
944
1,000
Reverse Polish Notation
693
804
776
869
1,000
808
781
822
789
880
840
849
894
774
Rijndael S-box
858
882
880
Rock-paper-scissors-Spock-lizard
908
926
857
911
924
887
986
935
840
915
915
871
942
963
960
982
927
881
935
Roman to Arabic
905
833
874
919
765
823
915
818
971
864
874
1,000
948
887
871
961
863
831
761
925
949
946
948
912
957
879
758
859
882
Rule 110
909
910
880
885
742
838
677
804
900
888
781
932
879
780
961
900
803
829
877
880
929
949
936
920
813
864
745
844
871
Seven Segment
875
742
808
887
814
847
939
883
891
977
898
834
936
888
903
904
826
874
939
944
974
866
955
883
894
898
885
Sierpiński Triangle
931
935
903
960
902
927
851
919
828
894
912
845
907
857
941
912
894
975
962
913
939
919
889
968
958
924
962
947
910
898
880
807
793
926
Smith Numbers
888
867
841
843
853
854
886
875
940
780
850
875
894
872
871
840
866
846
884
861
854
489
Spelling Numbers
848
840
814
833
687
871
1,000
844
841
748
866
818
867
818
839
Star Wars Opening Crawl
785
838
895
971
894
841
961
Sudoku
884
833
811
933
904
Sudoku v2
870
800
827
961
837
771
918
935
903
Ten-pin Bowling
875
856
762
876
880
881
983
849
789
946
859
806
851
945
893
949
920
969
953
860
858
Time Distance
845
822
913
939
Tongue-twisters
917
859
788
947
864
938
708
984
868
892
860
785
923
976
853
910
967
United States
925
934
888
798
857
958
901
879
911
749
889
944
853
918
856
953
876
959
912
954
976
962
Vampire Numbers
888
905
873
866
915
897
854
1,000
878
689
846
880
816
851
939
911
967
925
908
895
Van Eck Sequence
863
870
881
859
854
834
781
896
872
1,000
956
842
877
906
882
820
804
855
903
919
962
726
938
810
894
Zodiac Signs
915
883
820
878
868
1,000
863
912
889
γ
730
1,000
909
741
λ
344
888
891
419
515
374
875
821
905
942
806
375
902
902
177
880
863
859
945
941
720
679
681
960
909
926
855
951
831
685
719
681
678
898
646π
675
909
924
907
148
943
912
905
879
780
856
927
893
921
971
877
992
886
929
969
985
950
867
858
892
926
954
736
976
940
848
917
909
912
881
681
τ
676
893
904
890
149
914
885
887
865
763
865
926
885
907
975
856
992
872
910
958
972
934
850
832
877
931
948
722
954
934
829
896
887
885
878
661
φ
785
888
907
884
98
910
909
811
868
743
873
937
888
891
1,000
933
958
867
854
959
967
917
852
827
873
974
918
945
736
973
985
970
898
890
891
613
885
√2
770
888
847
889
93
919
835
778
864
751
897
937
882
924
1,000
937
996
869
922
962
972
854
852
829
877
993
949
740
980
976
974
818
893
898
851
676
𝑒
830
917
933
901
103
925
891
908
872
817
925
942
891
915
995
910
958
896
915
962
978
939
905
907
894
953
934
957
851
976
973
942
911
901
909
907
718
843