Abundant Numbers
3,211th2,933rd3,466th2,920th1,976th2,384th2,655th1,269th2,369th
Abundant Numbers (Long)
1,713th1,742nd1,926th1,318th1,536th1,020th706th937th846th
Collatz
2,210th2,294th2,698th1,938th2,164th1,191st600th633rd748th
Diamonds
677th1,295th
160th526th276th967th
Divisors
3,854th4,446th4,152nd3,213th3,092nd2,045th1,439th2,722nd3,418th
Evil Numbers
1,630th1,394th3,760th3,250th700th779th851st40th1,196th
Evil Numbers (Long)
757th1,051st1,973rd1,541st1,445th630th1,018th102nd533rd
Farey Sequence
740th
695th
Fibonacci
6,805th
8,083rd5,383rd3,800th1,019th
2,611th2,657th
Fizz Buzz
6,898th7,072nd8,650th6,593rd5,046th2,800th4,273rd4,288th3,783rd
Gijswijt’s Sequence
465th476th594th453rd472nd313th384th238th361st
Happy Numbers
2,231st
2,602nd2,425th1,665th1,773rd
1,995th
Happy Numbers (Long)
1,145th1,110th1,402nd1,095th1,077th882nd718th604th331st
Leap Years
2,508th2,596th3,779th1,041st1,051st1,882nd750th1,307th746th
Niven Numbers
2,500th1,924th3,210th2,066th2,111th1,547th533rd1,402nd899th
Niven Numbers (Long)
1,644th1,587th1,825th1,741st1,702nd1,120th541st1,043rd547th
Odious Numbers
1,422nd1,051st3,129th2,678th
634th706th38th1,056th
Odious Numbers (Long)
554th708th1,772nd1,438th1,298th511th715th36th481st
Pascal’s Triangle
1,942nd1,907th1,883rd1,539th1,552nd538th858th1,246th1,210th
Pernicious Numbers
2,126th
1,217th451st940th739th
Pernicious Numbers (Long)
722nd625th982nd981st1,022nd949th289th297th795th
Prime Numbers
3,809th3,469th4,667th3,539th2,501st3,307th1,998th2,052nd2,826th
Prime Numbers (Long)
1,764th1,334th2,176th1,348th1,680th1,088th667th1,029th1,112th
Sierpiński Triangle
381st663rd614th329th378th629th259th280th407th