12 Days of Christmas
969
829
784
849
849
855
752
832
896
841
814
856
980
901
879
972
24 Game
13
40
99 Bottles of Beer
910
675
693
754
975
689
728
726
855
837
689
821
798
799
Abundant Numbers
885
681
779
790
827
824
883
904
867
823
769
844
840
726
690
792
756
851
625
891
860
632
611
779
788
1,000
750
599
781
531
753
872
Abundant Numbers (Long)
871
685
833
968
853
953
872
1,000
937
827
934
973
853
756
956
610
969
895
638
896
904
768
973
727
857
972
Arabic to Roman
881
766
836
913
698
1,000
776
621
601
980
713
957
758
915
Arithmetic Numbers
847
833
921
905
958
913
912
959
879
940
954
3
691
739
976
957
903
553
798
876
847
819
936
588
829
785
907
909
933
838
981
Arrows
496
494
397
571
491
524
419
590
758
503
648
Ascending Primes
688
628
603
542
521
579
787
690
538
585
562
1,000
548
512
825
491
816
562
388
550
600
439
473
1,000
694
632
ASCII Table
797
656
686
831
791
932
835
729
828
745
822
698
821
1,000
852
803
brainfuck
396
589
607
774
Catalan Numbers
81
586
135
837
857
896
761
538
970
955
728
891
952
512
744
880
762
875
677
945
Catalan’s Constant
92
105
120
155
570
116
191
170
211
731
101
123
108
132
110
84
113
412
240
43
81
197
177
103
1,000
77
156
127
182
558
209
67
113
68
90
107
185
57
463
55
206
671
599
162
111
633
189
208
789
272
Christmas Trees
613
788
716
685
763
766
810
820
869
828
733
842
753
771
778
861
990
558
883
830
865
Collatz
967
835
923
855
988
927
753
967
886
696
923
992
917
639
838
932
942
819
864
872
775
974
CSS Colors
328
595
728
68
913
640
748
608
1,000
761
616
683
639
Cubes
779
510
531
492
574
876
1,000
Day of Week
836
920
1,000
742
1,000
988
734
928
948
1,000
987
1,000
1,000
1,000
845
788
930
797
941
1,000
717
530
755
803
947
911
DFA Simulator
482
Diamonds
552
633
649
889
717
454
604
643
508
602
547
705
456
308
774
Divisors
875
697
933
917
870
899
857
797
907
907
936
728
644
840
963
935
891
736
907
933
766
865
1,000
918
1,000
853
791
984
859
942
Emirp Numbers
500
519
750
821
957
990
893
1,000
918
727
664
867
807
826
907
206
903
695
610
473
817
519
929
919
842
728
635
852
679
810
797
Emirp Numbers (Long)
700
804
752
725
790
775
509
743
726
770
878
819
628
474
519
673
733
769
791
787
883
Emojify
544
409
488
395
528
433
450
601
Evil Numbers
750
829
774
841
944
964
959
980
1,000
974
967
955
1,000
1,000
849
1,000
691
976
583
144
783
1,000
980
949
816
632
615
826
760
780
842
826
581
979
1,000
557
853
794
836
848
821
942
930
556
882
947
Evil Numbers (Long)
840
761
945
933
911
983
933
980
1,000
968
986
1,000
836
1,000
696
988
615
800
990
951
875
667
958
889
833
875
659
716
1,000
619
508
829
884
979
1,000
978
585
923
965
Factorial Factorisation
105
127
132
112
187
103
127
128
163
98
97
138
133
152
113
1,000
158
59
135
147
165
90
47
129
149
259
91
108
110
135
99
80
189
83
152
610
192
141
169
113
104
136
239
Farey Sequence
596
693
660
568
620
684
717
667
652
781
707
635
535
536
409
717
624
774
633
703
707
613
687
Fibonacci
971
811
977
1,000
120
979
981
986
729
810
944
852
1,000
1,000
731
667
941
830
1,000
394
826
738
989
1,000
571
591
750
1,000
974
931
943
895
1,000
784
1,000
667
905
1,000
893
914
971
957
1,000
1,000
438
865
983
Fizz Buzz
1,000
598
810
1,000
960
941
990
913
433
1,000
836
871
987
892
724
844
482
689
992
1,000
881
841
622
955
933
824
983
911
703
877
810
859
664
843
412
857
805
Foo Fizz Buzz Bar
1,000
819
977
806
811
846
873
1,000
910
877
903
655
849
618
954
898
712
860
911
1,000
812
822
875
734
897
704
867
873
889
Forsyth–Edwards Notation
924
521
496
539
827
554
679
643
393
611
641
873
Fractions
803
710
861
724
864
861
964
489
665
564
923
870
789
Game of Life
249
302
Gijswijt’s Sequence
882
645
729
635
588
709
636
767
732
608
634
1,000
676
682
1,000
Happy Numbers
706
561
654
885
872
940
949
1,000
1,000
789
779
773
962
984
1,000
942
982
933
827
620
532
874
545
552
744
1,000
912
696
830
721
731
750
821
896
431
911
944
Happy Numbers (Long)
682
566
907
920
798
814
904
589
867
183
820
926
309
627
234
1,000
952
713
638
796
861
789
867
750
725
924
979
957
427
788
982
Hexdump
816
732
549
771
875
912
555
732
932
717
1,000
Intersection
665
641
728
707
746
831
370
721
806
Inventory Sequence
443
540
552
586
622
599
679
764
643
530
651
610
424
663
795
ISBN
642
961
779
732
827
889
840
717
676
908
973
914
811
744
799
660
861
851
948
831
Jacobi Symbol
718
551
630
637
634
655
682
Kolakoski Constant
56
98
118
155
569
39
169
171
205
731
106
129
100
110
188
111
143
577
200
41
93
156
183
101
68
46
189
147
136
335
194
71
104
79
140
108
100
61
407
59
279
201
589
218
99
332
185
189
253
225
Kolakoski Sequence
489
924
811
806
744
867
764
912
929
878
1,000
974
875
750
672
623
912
963
902
802
962
Leap Years
865
765
738
932
885
908
949
968
686
843
821
971
897
804
860
1,000
634
914
790
944
932
714
793
638
764
682
657
829
922
813
811
655
596
861
767
769
849
768
945
815
559
870
867
Levenshtein Distance
534
639
935
1,000
675
764
900
520
694
Leyland Numbers
759
573
754
864
687
986
902
740
592
734
986
489
608
883
ln 2
54
91
102
125
140
79
155
134
167
132
852
96
82
89
80
63
74
142
209
24
63
134
166
75
976
65
79
110
149
176
185
29
93
42
76
855
113
41
203
39
153
671
219
143
64
275
155
189
264
177
Look and Say
508
877
671
705
814
686
807
841
721
543
698
701
662
592
Lucky Numbers
530
516
529
543
534
757
56
Lucky Tickets
197
336
Mahjong
446
551
615
Maze
23
Medal Tally
596
612
452
483
690
544
770
Morse Decoder
453
114
244
251
608
Morse Encoder
490
282
306
426
Musical Chords
175
246
188
144
279
N Queens
410
426
1,000
Niven Numbers
875
886
1,000
1,000
907
1,000
932
1,000
1,000
977
1,000
1,000
1,000
1,000
1,000
1,000
935
891
1,000
1,000
692
1,000
1,000
1,000
1,000
840
793
1,000
1,000
1,000
987
875
977
966
1,000
957
822
964
960
919
1,000
795
1,000
1,000
811
1,000
684
1,000
1,000
Niven Numbers (Long)
676
705
1,000
982
913
920
932
939
925
673
878
957
824
985
1,000
806
900
1,000
805
659
679
992
847
1,000
852
832
952
984
988
951
561
735
844
1,000
909
794
964
869
704
987
979
984
908
984
635
859
992
Number Spiral
814
608
835
685
758
951
680
803
750
777
658
737
652
635
1,000
830
702
805
1,000
Odious Numbers
745
795
774
886
962
982
972
1,000
1,000
1,000
967
913
1,000
1,000
920
1,000
709
988
667
140
905
1,000
990
974
868
722
595
848
796
813
833
826
522
979
1,000
557
783
824
866
870
782
917
977
540
902
965
Odious Numbers (Long)
827
800
963
911
963
982
986
1,000
975
968
971
1,000
818
1,000
714
988
682
909
990
975
872
737
979
943
838
830
596
727
1,000
581
470
829
897
979
893
977
563
923
982
Ordinal Numbers
776
586
696
636
723
922
943
931
485
700
766
Pangram Grep
925
646
724
678
883
954
544
676
385
800
849
657
830
776
977
957
854
587
935
827
534
116
639
784
228
718
689
Pascal’s Triangle
810
793
756
886
796
690
766
804
917
925
620
835
844
898
943
643
790
Pernicious Numbers
297
1,000
846
1,000
1,000
422
1,000
1,000
1,000
962
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
981
891
1,000
938
671
151
955
976
1,000
1,000
971
739
893
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
1,000
864
1,000
897
1,000
1,000
612
542
1,000
1,000
778
1,000
667
1,000
1,000
Pernicious Numbers (Long)
600
680
638
704
873
798
952
893
814
844
763
1,000
740
797
634
920
621
911
708
846
774
806
899
852
661
725
444
912
767
547
632
582
838
904
Poker
880
Prime Numbers
907
714
919
1,000
867
939
877
1,000
1,000
1,000
674
818
915
1,000
980
1,000
1,000
1,000
115
1,000
1,000
947
900
833
1,000
696
854
1,000
846
903
796
824
1,000
1,000
683
840
1,000
1,000
968
862
933
814
1,000
531
810
942
Prime Numbers (Long)
833
561
932
1,000
852
957
915
896
741
866
967
1,000
960
1,000
956
844
596
1,000
908
818
588
746
500
724
886
798
857
1,000
385
794
1,000
Proximity Grid
86
109
QR Decoder
303
Quine
1,000
1,000
1,000
388
923
606
901
538
844
1,000
886
1,000
1,000
931
988
854
958
630
542
976
893
1,000
1,000
1,000
1,000
1,000
1,000
818
969
293
522
1,000
1,000
1,000
719
600
1,000
Recamán
912
581
715
657
725
712
646
765
714
838
716
807
Repeating Decimals
250
Reverse Polish Notation
763
635
800
Rijndael S-box
310
370
445
1,000
1,000
255
Rock-paper-scissors-Spock-lizard
941
734
406
655
610
423
669
1,000
Roman to Arabic
551
437
473
362
1,000
441
606
Rule 110
515
644
13
544
Seven Segment
647
572
656
792
625
684
657
631
709
721
SI Units
467
419
653
Sierpiński Triangle
624
615
602
624
535
639
757
713
631
880
718
653
725
585
593
656
702
691
Smith Numbers
407
846
403
378
Spelling Numbers
823
725
842
980
919
Star Wars Opening Crawl
556
546
567
1,000
935
Sudoku
300
313
Sudoku v2
140
145
Ten-pin Bowling
268
Time Distance
818
736
827
803
1,000
Tongue-twisters
802
830
708
674
666
837
668
773
694
747
742
762
724
670
673
768
703
687
927
United States
361
224
242
439
Vampire Numbers
180
567
439
172
188
199
209
256
342
227
168
444
164
237
242
279
Van Eck Sequence
532
528
681
712
775
409
556
414
424
618
648
563
826
Zodiac Signs
98
106
γ
124
573
548
346
571
330
404
170
456
740
115
135
100
123
792
109
146
582
284
47
97
529
235
106
1,000
125
158
559
352
556
573
86
545
76
196
117
209
68
878
66
364
670
593
586
832
620
208
584
782
723
λ
198
574
545
550
569
248
553
302
776
395
236
267
198
224
358
219
261
576
407
110
197
528
319
245
146
201
344
558
545
555
576
168
534
188
322
236
543
180
886
152
540
665
596
551
271
618
741
567
780
723
π
53
667
102
130
130
84
156
148
599
111
463
95
91
100
91
72
80
149
213
33
68
141
165
343
1,000
66
68
110
147
182
193
714
104
53
78
485
116
47
191
689
154
665
223
147
85
281
164
145
231
213
τ
55
95
102
131
130
88
154
145
177
110
464
94
91
103
93
75
79
148
212
33
69
141
167
87
976
66
80
110
146
179
193
730
109
53
79
471
116
47
192
656
154
665
224
147
86
281
166
145
230
212
φ
58
93
105
134
124
58
158
133
163
522
1,000
713
516
703
84
63
59
151
737
157
23
60
145
705
704
1,000
61
79
109
145
180
197
330
92
712
71
1,000
117
27
144
761
159
665
188
151
500
278
120
162
242
181
√2
57
95
97
133
126
55
154
123
154
66
842
670
80
78
85
65
64
145
1,000
25
62
145
1,000
73
973
57
68
112
144
176
196
519
109
49
70
845
115
32
122
449
145
665
227
150
40
280
116
147
244
179
𝑒
44
66
69
114
98
59
125
131
152
526
839
83
81
87
71
61
58
105
188
24
55
958
96
147
70
1,000
41
72
89
116
128
145
510
69
40
71
842
76
32
157
650
122
665
177
109
68
250
135
112
129
544