Abundant Numbers
2,804th2,840th3,256th2,550th2,258th2,521st1,510th2,558th1,851st
Abundant Numbers (Long)
1,645th1,585th1,800th1,359th1,531st1,196th852nd1,369th1,017th
Collatz
2,149th2,096th2,519th1,967th2,159th1,458th826th975th972nd
Diamonds
503rd1,076th
185th541st395th1,026th
Divisors
3,827th4,237th4,077th3,245th3,126th2,078th1,702nd3,770th3,385th
Evil Numbers
942nd875th3,674th2,192nd783rd852nd410th40th724th
Evil Numbers (Long)
667th716th1,893rd1,490th1,394th630th977th98th525th
Farey Sequence
713th
667th
Fibonacci
6,587th
7,820th5,217th3,683rd1,080th
2,558th2,635th
Fizz Buzz
6,980th6,327th6,743rd6,636th5,169th3,807th4,584th5,746th4,447th
Gijswijt’s Sequence
349th394th567th453rd469th317th260th343rd362nd
Happy Numbers
1,951st
2,586th2,211th1,628th1,573rd
1,235th
Happy Numbers (Long)
1,068th986th1,316th1,112th1,104th932nd706th938th376th
Leap Years
2,363rd2,171st3,613th935th1,073rd1,874th746th1,320th734th
Niven Numbers
1,919th1,828th2,797th1,845th2,056th1,618th484th1,468th515th
Niven Numbers (Long)
1,512th1,470th1,693rd1,632nd1,600th1,049th491st1,374th500th
Odious Numbers
722nd733rd3,046th2,143rd
706th289th38th577th
Odious Numbers (Long)
502nd508th1,691st1,367th1,241st526th673rd36th492nd
Pascal’s Triangle
1,863rd1,826th1,824th1,395th1,500th607th857th1,617th1,214th
Pernicious Numbers
2,023rd
1,150th443rd908th757th
Pernicious Numbers (Long)
652nd537th917th916th966th892nd290th410th753rd
Prime Numbers
3,363rd3,141st4,518th3,527th2,531st3,317th1,432nd2,561st1,734th
Prime Numbers (Long)
1,631st1,216th2,054th1,281st1,616th1,041st667th1,072nd1,084th
Sierpiński Triangle
345th586th572nd334th363rd610th273rd443rd396th