a(n) = floor(87/n).

Terms

a(0) =87a(1) =43a(2) =29a(3) =21a(4) =17a(5) =14a(6) =12a(7) =10a(8) =9a(9) =8a(10) =7a(11) =7a(12) =6a(13) =6a(14) =5a(15) =5a(16) =5a(17) =4a(18) =4a(19) =4a(20) =4a(21) =3a(22) =3a(23) =3a(24) =3a(25) =3a(26) =3a(27) =3a(28) =3a(29) =2