Abundant Numbers
3,061st2,790th3,312th2,779th1,865th2,257th2,515th1,226th2,242nd
Abundant Numbers (Long)
1,602nd1,628th1,802nd1,228th1,432nd975th649th865th775th
Collatz
2,030th2,140th2,524th1,784th2,016th1,055th545th571st677th
Diamonds
650th1,237th
155th505th272nd915th
Divisors
3,743rd4,319th4,030th3,114th2,992nd2,001st1,388th2,637th3,311th
Evil Numbers
1,591st1,353rd3,657th3,154th684th754th825th40th1,165th
Evil Numbers (Long)
736th1,001st1,889th1,473rd1,378th612th971st101st509th
Farey Sequence
709th
666th
Fibonacci
6,606th
7,864th5,208th3,673rd957th
2,519th2,591st
Fizz Buzz
6,755th6,933rd8,437th6,462nd4,970th2,840th4,238th4,254th3,828th
Gijswijt’s Sequence
432nd452nd566th433rd448th306th368th237th348th
Happy Numbers
2,153rd
2,519th2,345th1,609th1,710th
1,925th
Happy Numbers (Long)
1,105th1,069th1,350th1,058th1,041st861st695th593rd325th
Leap Years
2,475th2,531st3,668th1,010th1,017th1,826th732nd1,271st718th
Niven Numbers
2,366th1,808th3,053rd1,951st1,993rd1,462nd495th1,324th853rd
Niven Numbers (Long)
1,557th1,504th1,732nd1,652nd1,613th1,059th506th989th516th
Odious Numbers
1,380th1,021st3,038th2,596th
622nd686th38th1,023rd
Odious Numbers (Long)
537th680th1,696th1,366th1,238th508th687th36th469th
Pascal’s Triangle
1,847th1,812th1,788th1,453rd1,465th512th826th1,174th1,139th
Pernicious Numbers
2,025th
1,139th429th870th706th
Pernicious Numbers (Long)
700th604th946th945th987th916th280th290th772nd
Prime Numbers
3,704th3,370th4,544th3,434th2,419th3,212th1,934th1,968th2,736th
Prime Numbers (Long)
1,697th1,281st2,087th1,300th1,614th1,040th646th989th1,079th
Sierpiński Triangle
376th646th599th323rd370th609th253rd273rd398th