Abundant Numbers
3,009th3,062nd3,603rd2,753rd2,444th2,720th1,638th2,769th1,999th
Abundant Numbers (Long)
1,882nd1,825th2,113th1,560th1,770th1,337th990th1,621st1,173rd
Collatz
2,411th2,357th2,955th2,184th2,445th1,075th594th1,546th813th
Diamonds
556th1,202nd
196th599th430th1,154th
Divisors
4,030th4,542nd4,333rd3,420th3,314th2,285th2,018th3,980th3,577th
Evil Numbers
982nd898th4,070th2,401st835th888th466th46th781st
Evil Numbers (Long)
745th818th2,195th1,728th1,627th732nd1,134th115th606th
Farey Sequence
845th
782nd
Fibonacci
7,223rd
8,726th5,643rd4,029th1,139th
2,840th2,887th
Fizz Buzz
7,013th6,382nd6,838th6,725th5,182nd3,717th4,545th5,792nd4,353rd
Gijswijt’s Sequence
459th451st682nd530th552nd359th304th393rd421st
Happy Numbers
2,161st
2,872nd2,462nd1,845th1,794th
1,401st
Happy Numbers (Long)
1,279th1,122nd1,503rd1,273rd1,265th1,059th801st1,063rd415th
Leap Years
2,410th2,280th3,882nd1,099th1,161st1,978th827th1,400th823rd
Niven Numbers
2,226th2,063rd3,174th2,141st2,371st1,891st563rd1,739th584th
Niven Numbers (Long)
1,750th1,695th1,977th1,904th1,854th1,224th617th1,599th600th
Odious Numbers
763rd787th3,399th2,394th
774th324th44th651st
Odious Numbers (Long)
553rd590th1,986th1,610th1,465th604th791st42nd546th
Pascal’s Triangle
2,095th2,057th2,058th1,586th1,707th633rd955th1,833rd1,367th
Pernicious Numbers
2,310th
1,362nd570th1,045th888th
Pernicious Numbers (Long)
759th653rd1,087th1,084th1,136th1,052nd352nd515th884th
Prime Numbers
3,611th3,372nd4,962nd3,802nd2,731st3,571st1,583rd2,753rd1,894th
Prime Numbers (Long)
1,861st1,407th2,383rd1,471st1,864th1,223rd763rd1,266th1,254th
Sierpiński Triangle
388th625th605th365th398th660th283rd525th425th