Number of divisors of A019505(n).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =10a(7) =12a(8) =16a(9) =20a(10) =24a(11) =30a(12) =36a(13) =48a(14) =60a(15) =72a(16) =84a(17) =96a(18) =120a(19) =144a(20) =168a(21) =192a(22) =224a(23) =256a(24) =320a(25) =384a(26) =448a(27) =512a(28) =576a(29) =672