a(0) = 1; for n > 0, a(n) = A000005(n) * a(n-A000005(n)), where A000005(n) gives the number of divisors of n.
A320009
a(0) = 1; for n > 0, a(n) = A000005(n) * a(n-A000005(n)), where A000005(n) gives the number of divisors of n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =8a(7) =8a(8) =12a(9) =24a(10) =32a(11) =48a(12) =48a(13) =96a(14) =128a(15) =192a(16) =240a(17) =384a(18) =288a(19) =768a(20) =768a(21) =1536a(22) =1152a(23) =3072a(24) =1920a(25) =3456a(26) =4608a(27) =12288a(28) =6912a(29) =24576
External references
- oeis: A320009