Sieve performed by successive iterations of steps where step m is: keep m terms, remove the next 4 and repeat; as m = 1,2,3,.. the remaining terms form this sequence.

A112562

Sieve performed by successive iterations of steps where step m is: keep m terms, remove the next 4 and repeat; as m = 1,2,3,.. the remaining terms form this sequence.

Terms

    a(0) =1a(1) =6a(2) =31a(3) =96a(4) =241a(5) =546a(6) =1171a(7) =1776a(8) =2761a(9) =5046a(10) =7591a(11) =11856a(12) =19021a(13) =20706a(14) =31711a(15) =44016a(16) =60481a(17) =71946a(18) =92191a(19) =120216a(20) =138601a(21) =181986a(22) =226831a(23) =302496a(24) =379381a(25) =400686a(26) =487831a(27) =574656a(28) =704461a(29) =831606

External references