Abundant Numbers
3,476th3,115th3,779th3,088th2,108th2,524th2,796th1,339th2,511th
Abundant Numbers (Long)
1,933rd1,960th2,195th1,499th1,751st1,172nd815th1,089th987th
Collatz
2,538th2,536th3,028th2,079th2,379th950th641st673rd778th
Diamonds
769th1,450th
174th591st313th1,104th
Divisors
4,162nd4,671st4,311th3,311th3,201st2,226th1,753rd2,852nd3,523rd
Evil Numbers
1,721st1,528th4,076th3,485th729th803rd885th48th1,341st
Evil Numbers (Long)
845th1,172nd2,218th1,735th1,638th704th1,131st121st586th
Farey Sequence
852nd
794th
Fibonacci
7,273rd
8,789th5,674th4,035th1,094th
2,801st2,848th
Fizz Buzz
6,858th7,152nd8,948th6,555th4,989th2,691st4,223rd4,239th3,705th
Gijswijt’s Sequence
576th550th698th521st545th359th431st278th413th
Happy Numbers
2,418th
2,825th2,629th1,839th1,946th
2,177th
Happy Numbers (Long)
1,315th1,251st1,567th1,238th1,221st1,001st792nd686th361st
Leap Years
2,687th2,623rd3,970th1,072nd1,298th1,943rd782nd1,332nd778th
Niven Numbers
2,722nd2,114th3,504th2,267th2,312th1,726th552nd1,563rd996th
Niven Numbers (Long)
1,861st1,742nd2,020th1,911th1,865th1,231st556th1,161st549th
Odious Numbers
1,359th1,188th3,411th2,903rd
665th741st46th1,190th
Odious Numbers (Long)
602nd797th2,007th1,628th1,476th577th806th44th526th
Pascal’s Triangle
2,100th2,064th2,040th1,677th1,696th542nd929th1,362nd1,321st
Pernicious Numbers
2,377th
1,388th559th1,024th880th
Pernicious Numbers (Long)
822nd719th1,111th1,104th1,156th1,071st328th342nd894th
Prime Numbers
4,046th3,692nd5,049th3,758th2,677th3,525th2,131st2,200th3,012th
Prime Numbers (Long)
1,971st1,499th2,459th1,523rd1,894th1,236th750th1,182nd1,269th
Sierpiński Triangle
410th713th663rd363rd411th668th282nd305th253rd