12 Days of Christmas
832
99 Bottles of Beer
686
Abundant Numbers
795
Abundant Numbers (Long)
920
Arithmetic Numbers
800
Arrows
427
Ascending Primes
527
Catalan Numbers
594
Christmas Trees
702
Collatz
988
Day of Week
969
Divisors
835
671
Emirp Numbers
411
Emirp Numbers (Long)
509
Emojify
396
Evil Numbers
667
Evil Numbers (Long)
695
Fibonacci
12
216
181
100
110
238
41
575
944
850
246
234
773
135
768
818
283
196
187
88
73
637
77
165
60
563
887
943
161
58
80
878
633
302
251
82
708
458
225
818
549
792
439
831
500
178
865
205
405
727
201
726
486Fizz Buzz
952
555
1,000
Foo Fizz Buzz Bar
710
Fractions
646
Game of Life
419
Happy Numbers
614
180
Happy Numbers (Long)
648
ISBN
594
Leap Years
881
ln 2
90
102
124
106
117
67
81
89
55
141
146
24
61
133
164
52
39
56
110
149
176
184
93
41
52
52
112
41
39
153
670
218
143
63
275
111
189
185
135Lucky Numbers
530
294
Musical Chords
70
Niven Numbers
870
Niven Numbers (Long)
1,000
Odious Numbers
688
Odious Numbers (Long)
691
Pernicious Numbers
293
Pernicious Numbers (Long)
365
Prime Numbers
660
889
Prime Numbers (Long)
695
978
Quine
839
United States
47
Van Eck Sequence
681
γ
123
571
547
341
282
123
318
94
100
122
548
620
λ
218
299
191
243
618
π
107
281
τ
106
281
φ
96
278
√2
89
280
𝑒
95
76
250