a(n) = (tau(n^9)+8)/9.

A016005

a(n) = (tau(n^9)+8)/9.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =3a(4) =2a(5) =12a(6) =2a(7) =4a(8) =3a(9) =12a(10) =2a(11) =22a(12) =2a(13) =12a(14) =12a(15) =5a(16) =2a(17) =22a(18) =2a(19) =22a(20) =12a(21) =12a(22) =2a(23) =32a(24) =3a(25) =12a(26) =4a(27) =22a(28) =2a(29) =112

External references