Number of divisors of n^n, or of A000312(n).

Terms

a(0) =1a(1) =1a(2) =3a(3) =4a(4) =9a(5) =6a(6) =49a(7) =8a(8) =25a(9) =19a(10) =121a(11) =12a(12) =325a(13) =14a(14) =225a(15) =256a(16) =65a(17) =18a(18) =703a(19) =20a(20) =861a(21) =484a(22) =529a(23) =24a(24) =1825a(25) =51a(26) =729a(27) =82a(28) =1653a(29) =30