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

A112560

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

Terms

    a(0) =1a(1) =4a(2) =13a(3) =28a(4) =61a(5) =88a(6) =133a(7) =208a(8) =313a(9) =364a(10) =541a(11) =724a(12) =853a(13) =1048a(14) =1261a(15) =1564a(16) =1993a(17) =2104a(18) =2581a(19) =3028a(20) =3553a(21) =3904a(22) =4621a(23) =5368a(24) =5893a(25) =6544a(26) =7141a(27) =8104a(28) =9373a(29) =9904

External references