Convert n from statute miles to nautical miles.

Terms

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