a(n) = (tau(n^8)+7)/8.

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =2a(5) =11a(6) =2a(7) =4a(8) =3a(9) =11a(10) =2a(11) =20a(12) =2a(13) =11a(14) =11a(15) =5a(16) =2a(17) =20a(18) =2a(19) =20a(20) =11a(21) =11a(22) =2a(23) =29a(24) =3a(25) =11a(26) =4a(27) =20a(28) =2a(29) =92