Abundant Numbers
3,052nd2,776th3,299th2,771st1,879th2,267th2,511th1,196th2,240th
Abundant Numbers (Long)
1,593rd1,617th1,782nd1,226th1,423rd978th646th858th776th
Collatz
1,999th2,104th2,467th1,762nd1,985th1,093rd563rd587th698th
Diamonds
643rd1,229th
157th497th273rd915th
Divisors
3,693rd4,269th3,984th3,069th2,951st1,964th1,438th2,590th3,260th
Evil Numbers
1,549th1,313th3,598th3,088th660th731st802nd40th1,127th
Evil Numbers (Long)
712th967th1,848th1,434th1,340th588th937th101st488th
Farey Sequence
687th
644th
Fibonacci
6,441st
7,658th5,079th3,562nd989th
2,419th2,471st
Fizz Buzz
6,662nd6,834th8,322nd6,359th4,887th2,780th4,154th4,169th3,746th
Gijswijt’s Sequence
417th437th554th419th433rd296th351st225th337th
Happy Numbers
2,122nd
2,484th2,312th1,577th1,683rd
1,898th
Happy Numbers (Long)
1,101st1,067th1,343rd1,055th1,038th857th683rd578th322nd
Leap Years
2,430th2,468th3,583rd869th993rd1,793rd712th1,238th685th
Niven Numbers
2,334th1,779th3,025th1,931st1,963rd1,441st481st1,297th817th
Niven Numbers (Long)
1,524th1,474th1,702nd1,621st1,584th1,034th478th954th494th
Odious Numbers
1,343rd985th3,001st2,550th
612th669th38th987th
Odious Numbers (Long)
524th647th1,653rd1,327th1,196th488th654th36th449th
Pascal’s Triangle
1,815th1,781st1,757th1,423rd1,435th498th811th1,151st1,121st
Pernicious Numbers
2,010th
1,113th422nd847th684th
Pernicious Numbers (Long)
651st557th900th899th942nd869th261st257th724th
Prime Numbers
3,660th3,316th4,448th3,407th2,387th3,160th1,889th1,926th2,688th
Prime Numbers (Long)
1,668th1,251st2,053rd1,271st1,583rd1,012th624th965th1,052nd
Sierpiński Triangle
368th636th589th316th363rd599th247th266th386th