Abundant Numbers
3,307th3,367th3,958th3,147th2,726th3,007th1,971st3,014th2,311th
Abundant Numbers (Long)
2,152nd2,086th2,407th1,815th2,019th1,565th1,246th1,777th1,415th
Collatz
2,725th2,626th3,244th2,436th2,781st1,320th765th1,694th976th
Diamonds
698th1,444th
245th730th519th1,367th
Divisors
4,562nd4,885th4,773rd3,789th3,577th2,476th2,309th4,313th3,908th
Evil Numbers
1,163rd1,091st4,431st2,645th963rd1,033rd611th31st937th
Evil Numbers (Long)
897th1,005th2,485th2,148th1,863rd865th1,306th113th717th
Farey Sequence
1,003rd
949th
Fibonacci
7,871st
9,457th6,239th4,418th1,259th
3,123rd3,228th
Fizz Buzz
7,532nd6,896th7,493rd7,267th5,457th3,901st4,944th6,041st4,722nd
Gijswijt’s Sequence
674th556th818th665th668th628th404th483rd519th
Happy Numbers
2,407th
3,133rd2,703rd2,023rd1,977th
1,581st
Happy Numbers (Long)
1,441st1,268th1,675th1,446th1,412th1,202nd914th1,191st486th
Leap Years
3,163rd2,470th4,246th1,205th1,373rd2,106th1,530th1,400th2,029th
Niven Numbers
2,596th2,444th3,621st2,483rd2,650th2,104th809th1,922nd781st
Niven Numbers (Long)
2,114th1,985th2,262nd2,188th2,124th1,458th789th1,843rd795th
Odious Numbers
884th940th3,729th2,659th
897th470th34th816th
Odious Numbers (Long)
660th697th2,232nd1,928th1,684th694th962nd34th666th
Pascal’s Triangle
2,336th2,277th2,293rd1,801st1,912th737th1,125th2,035th1,579th
Pernicious Numbers
2,752nd
1,661st692nd1,229th1,124th
Pernicious Numbers (Long)
1,074th816th1,356th1,287th1,311th1,240th437th647th1,080th
Prime Numbers
3,977th3,732nd5,395th4,174th3,069th3,927th1,782nd3,090th2,166th
Prime Numbers (Long)
2,138th1,634th2,670th1,702nd2,132nd1,569th923rd1,447th1,460th
Sierpiński Triangle
553rd724th752nd510th455th757th330th603rd321st