Length of n-th term of A022482.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =12a(7) =16a(8) =20a(9) =24a(10) =36a(11) =48a(12) =68a(13) =90a(14) =120a(15) =164a(16) =216a(17) =278a(18) =360a(19) =472a(20) =624a(21) =832a(22) =1104a(23) =1448a(24) =1944a(25) =2606a(26) =3458a(27) =4572a(28) =6030a(29) =8042