Abundant Numbers
3,102nd2,831st3,356th2,819th1,897th2,292nd2,550th1,239th2,277th
Abundant Numbers (Long)
1,630th1,658th1,835th1,250th1,456th987th660th881st819th
Collatz
2,083rd2,192nd2,587th1,843rd2,066th1,123rd555th585th700th
Diamonds
656th1,249th
156th510th272nd929th
Divisors
3,790th4,373rd4,083rd3,154th3,037th2,030th1,490th2,672nd3,360th
Evil Numbers
1,604th1,361st3,689th3,183rd660th757th827th40th1,172nd
Evil Numbers (Long)
747th1,012th1,911th1,490th1,396th621st984th101st513th
Farey Sequence
719th
675th
Fibonacci
6,697th
7,965th5,288th3,729th980th
2,561st2,626th
Fizz Buzz
6,792nd6,973rd8,512th6,502nd4,964th2,739th4,203rd4,217th3,722nd
Gijswijt’s Sequence
434th454th571st435th450th306th367th237th347th
Happy Numbers
2,184th
2,549th2,374th1,623rd1,729th
1,947th
Happy Numbers (Long)
1,113th1,075th1,360th1,064th1,046th863rd698th597th329th
Leap Years
2,507th2,546th3,714th1,022nd1,028th1,848th743rd1,285th732nd
Niven Numbers
2,422nd1,855th3,117th1,998th2,042nd1,491st507th1,350th867th
Niven Numbers (Long)
1,583rd1,529th1,762nd1,679th1,642nd1,074th515th1,004th524th
Odious Numbers
1,392nd1,026th3,063rd2,617th
623rd687th38th1,028th
Odious Numbers (Long)
538th685th1,712th1,379th1,252nd508th692nd36th470th
Pascal’s Triangle
1,887th1,852nd1,828th1,491st1,503rd515th837th1,203rd1,166th
Pernicious Numbers
2,054th
1,161st438th888th721st
Pernicious Numbers (Long)
710th611th953rd952nd995th923rd283rd293rd779th
Prime Numbers
3,738th3,403rd4,585th3,467th2,445th3,245th1,956th1,998th2,765th
Prime Numbers (Long)
1,718th1,293rd2,110th1,308th1,638th1,052nd649th1,000th1,091st
Sierpiński Triangle
377th650th600th324th371st615th256th276th399th