Abundant Numbers
3,519th3,156th3,832nd3,130th2,164th2,566th2,837th1,382nd2,555th
Abundant Numbers (Long)
1,970th1,999th2,242nd1,528th1,786th1,204th826th1,113th1,005th
Collatz
2,584th2,581st3,086th2,122nd2,479th953rd621st636th770th
Diamonds
789th1,479th
178th608th326th1,125th
Divisors
4,225th4,736th4,377th3,371st3,259th2,241st1,794th2,911th3,584th
Evil Numbers
1,752nd1,555th4,145th3,538th753rd826th925th52nd1,372nd
Evil Numbers (Long)
869th1,204th2,255th1,766th1,668th719th1,153rd130th601st
Farey Sequence
882nd
826th
Fibonacci
7,431st
8,954th5,817th4,145th1,124th
2,903rd2,869th
Fizz Buzz
6,910th7,213th9,009th6,616th5,046th2,724th4,269th4,294th3,747th
Gijswijt’s Sequence
595th568th720th538th562nd416th447th292nd430th
Happy Numbers
2,458th
2,863rd2,670th1,869th1,981st
2,218th
Happy Numbers (Long)
1,341st1,277th1,594th1,264th1,243rd1,021st810th701st368th
Leap Years
2,675th2,604th4,060th967th1,190th1,899th1,304th1,228th1,745th
Niven Numbers
2,799th2,184th3,600th2,348th2,404th1,779th561st1,601st1,024th
Niven Numbers (Long)
1,951st1,826th2,120th2,006th1,956th1,301st582nd1,225th574th
Odious Numbers
1,398th1,219th3,482nd2,951st
687th767th51st1,221st
Odious Numbers (Long)
615th823rd2,034th1,655th1,502nd589th828th49th539th
Pascal’s Triangle
2,151st2,100th2,076th1,713th1,728th566th960th1,397th1,356th
Pernicious Numbers
2,433rd
1,413th544th1,040th890th
Pernicious Numbers (Long)
853rd754th1,143rd1,136th1,189th1,100th357th383rd926th
Prime Numbers
4,104th3,767th5,149th3,825th2,740th3,595th2,176th2,255th3,072nd
Prime Numbers (Long)
2,021st1,545th2,511th1,561st1,944th1,276th779th1,218th1,303rd
Sierpiński Triangle
423rd733rd682nd378th424th687th290th315th283rd