Fibonacci
Intersection
Leap Years
Prime Numbers
Quine
Tongue-twisters
Vampire Numbers
λ
π
3,251st2,289th2,463rd2,275th2,364th1,317th3,131st2,680th1,741st2,690th1,586th2,762nd3,259th2,136th1,826th3,354th2,566th3,046th2,842nd3,230th3,188th1,706th1,393rd1,760th2,030th
τ
φ
√2
𝑒