Abundant Numbers
3,066th3,124th3,682nd2,817th2,507th2,787th1,672nd2,831st2,044th
Abundant Numbers (Long)
1,956th1,896th2,186th1,629th1,841st1,403rd1,026th1,692nd1,228th
Collatz
2,527th2,410th3,019th2,238th2,501st1,098th612th1,585th835th
Diamonds
591st1,257th
205th636th457th1,207th
Divisors
4,252nd4,584th4,375th3,459th3,353rd2,311th2,040th4,024th3,618th
Evil Numbers
1,004th918th4,133rd2,452nd850th904th469th48th795th
Evil Numbers (Long)
761st841st2,235th1,765th1,664th743rd1,153rd118th620th
Farey Sequence
870th
803rd
Fibonacci
7,311th
8,825th5,717th4,094th1,148th
2,889th2,936th
Fizz Buzz
7,081st6,450th6,908th6,772nd5,241st3,751st4,590th5,859th4,398th
Gijswijt’s Sequence
573rd465th704th544th568th371st314th404th433rd
Happy Numbers
2,196th
2,914th2,496th1,878th1,829th
1,434th
Happy Numbers (Long)
1,305th1,145th1,529th1,300th1,289th1,086th817th1,090th425th
Leap Years
2,570th2,307th3,928th1,094th1,364th2,004th810th1,403rd805th
Niven Numbers
2,263rd2,106th3,226th2,187th2,416th1,932nd562nd1,778th602nd
Niven Numbers (Long)
1,866th1,717th2,002nd1,928th1,878th1,237th627th1,620th616th
Odious Numbers
781st804th3,450th2,438th
791st329th46th672nd
Odious Numbers (Long)
570th607th2,021st1,643rd1,498th620th812th44th563rd
Pascal’s Triangle
2,126th2,087th2,088th1,615th1,736th643rd973rd1,862nd1,399th
Pernicious Numbers
2,385th
1,411th589th1,080th955th
Pernicious Numbers (Long)
780th671st1,112th1,106th1,161st1,076th351st527th905th
Prime Numbers
3,682nd3,444th5,049th3,873rd2,797th3,642nd1,630th2,819th1,953rd
Prime Numbers (Long)
1,906th1,446th2,426th1,510th1,909th1,254th783rd1,299th1,285th
Sierpiński Triangle
394th633rd613th372nd404th668th286th535th431st