a(n) = floor( sqrt(2*Pi)*n ) (a Beatty sequence).

Terms

a(0) =0a(1) =2a(2) =5a(3) =7a(4) =10a(5) =12a(6) =15a(7) =17a(8) =20a(9) =22a(10) =25a(11) =27a(12) =30a(13) =32a(14) =35a(15) =37a(16) =40a(17) =42a(18) =45a(19) =47a(20) =50a(21) =52a(22) =55a(23) =57a(24) =60a(25) =62a(26) =65a(27) =67a(28) =70a(29) =72