a(n) = floor(n/Pi).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =1a(7) =2a(8) =2a(9) =2a(10) =3a(11) =3a(12) =3a(13) =4a(14) =4a(15) =4a(16) =5a(17) =5a(18) =5a(19) =6a(20) =6a(21) =6a(22) =7a(23) =7a(24) =7a(25) =7a(26) =8a(27) =8a(28) =8a(29) =9