a(n) = floor(42/n).

Terms

a(0) =42a(1) =21a(2) =14a(3) =10a(4) =8a(5) =7a(6) =6a(7) =5a(8) =4a(9) =4a(10) =3a(11) =3a(12) =3a(13) =3a(14) =2a(15) =2a(16) =2a(17) =2a(18) =2a(19) =2a(20) =2a(21) =1a(22) =1a(23) =1a(24) =1a(25) =1a(26) =1a(27) =1a(28) =1a(29) =1