Abundant Numbers
2,911th2,959th3,387th2,661st2,353rd2,625th1,581st2,670th1,936th
Abundant Numbers (Long)
1,746th1,687th1,914th1,434th1,624th1,263rd916th1,447th1,091st
Collatz
2,297th2,255th2,692nd2,112th2,316th1,583rd882nd1,046th1,034th
Diamonds
525th1,123rd
190th565th408th1,069th
Divisors
3,957th4,376th4,213th3,356th3,241st2,127th1,769th3,910th3,509th
Evil Numbers
978th916th3,805th2,263rd835th890th426th40th758th
Evil Numbers (Long)
691st754th1,981st1,562nd1,468th663rd1,032nd99th554th
Farey Sequence
758th
708th
Fibonacci
6,837th
8,109th5,422nd3,837th1,072nd
2,689th2,735th
Fizz Buzz
7,155th6,477th6,929th6,811th5,278th3,800th4,626th5,875th4,439th
Gijswijt’s Sequence
419th413th599th476th494th328th268th355th380th
Happy Numbers
2,014th
2,686th2,304th1,710th1,653rd
1,292nd
Happy Numbers (Long)
1,109th1,021st1,365th1,155th1,144th963rd730th968th383rd
Leap Years
2,391st2,250th3,742nd1,079th1,120th1,941st796th1,371st764th
Niven Numbers
2,055th1,959th2,956th1,980th2,190th1,729th514th1,574th534th
Niven Numbers (Long)
1,619th1,574th1,807th1,748th1,714th1,127th546th1,475th552nd
Odious Numbers
757th768th3,160th2,231st
736th322nd38th614th
Odious Numbers (Long)
520th530th1,777th1,441st1,310th533rd714th36th512th
Pascal’s Triangle
1,969th1,929th1,930th1,481st1,591st644th898th1,712th1,292nd
Pernicious Numbers
2,128th
1,237th490th986th828th
Pernicious Numbers (Long)
704th587th983rd980th1,030th955th311th449th806th
Prime Numbers
3,468th3,241st4,656th3,638th2,626th3,423rd1,504th2,655th1,794th
Prime Numbers (Long)
1,706th1,283rd2,146th1,336th1,692nd1,101st692nd1,141st1,128th
Sierpiński Triangle
352nd601st577th341st374th627th275th476th405th