Fibonacci
379th
213th
Intersection
101st
155th
Leap Years
181st
459th
27th
Prime Numbers
454th
1,097th
Quine
51st
703rd
Tongue-twisters
492nd
Vampire Numbers
7th
λ
92nd
38th
54th40th139th
8th10th
π
27th11th41st127th105th26th38th39th62nd68th83rd216th99th47th39th98th81st64th500th78th92nd68th43rd14th9th
τ
9th
φ
26th
√2
14th
𝑒
30th