Abundant Numbers
3,401st3,045th3,698th3,019th2,043rd2,450th2,725th1,286th2,445th
Abundant Numbers (Long)
1,858th1,889th2,121st1,439th1,679th1,119th790th1,036th938th
Collatz
2,411th2,477th2,965th2,042nd2,324th942nd628th666th760th
Diamonds
728th1,390th
165th558th295th1,054th
Divisors
3,928th4,628th4,270th3,273rd3,164th2,200th1,732nd2,818th3,484th
Evil Numbers
1,675th1,477th4,015th3,429th717th788th898th46th1,286th
Evil Numbers (Long)
821st1,146th2,180th1,700th1,602nd707th1,111th118th573rd
Farey Sequence
829th
775th
Fibonacci
7,187th
8,692nd5,593rd3,969th1,084th
2,755th2,802nd
Fizz Buzz
6,793rd7,082nd8,872nd6,489th4,932nd2,665th4,179th4,192nd3,668th
Gijswijt’s Sequence
522nd533rd676th504th531st344th419th268th397th
Happy Numbers
2,383rd
2,784th2,591st1,803rd1,915th
2,142nd
Happy Numbers (Long)
1,291st1,226th1,540th1,213th1,196th975th778th666th356th
Leap Years
2,514th2,603rd3,923rd1,078th1,092nd1,917th804th1,332nd779th
Niven Numbers
2,670th2,054th3,453rd2,221st2,268th1,687th542nd1,527th975th
Niven Numbers (Long)
1,780th1,718th1,994th1,887th1,841st1,215th603rd1,146th539th
Odious Numbers
1,323rd1,148th3,364th2,857th
663rd725th44th1,150th
Odious Numbers (Long)
589th772nd1,973rd1,598th1,444th563rd785th42nd510th
Pascal’s Triangle
2,070th2,034th2,011th1,649th1,668th530th915th1,335th1,293rd
Pernicious Numbers
2,305th
1,337th542nd989th816th
Pernicious Numbers (Long)
800th698th1,086th1,084th1,131st1,048th328th335th873rd
Prime Numbers
3,972nd3,622nd4,966th3,688th2,608th3,456th2,077th2,143rd2,945th
Prime Numbers (Long)
1,925th1,462nd2,418th1,484th1,852nd1,209th731st1,158th1,239th
Sierpiński Triangle
404th706th656th354th405th661st276th299th434th