Number of representations of n as a sum of products of positive integers. 1 is not allowed as a factor, unless it is the only factor. Representations which differ only in the order of terms or factors are considered equivalent.
A066739
Number of representations of n as a sum of products of positive integers. 1 is not allowed as a factor, unless it is the only factor. Representations which differ only in the order of terms or factors are considered equivalent.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =6a(5) =8a(6) =14a(7) =19a(8) =32a(9) =44a(10) =67a(11) =91a(12) =139a(13) =186a(14) =269a(15) =362a(16) =518a(17) =687a(18) =960a(19) =1267a(20) =1747a(21) =2294a(22) =3106a(23) =4052a(24) =5449a(25) =7063a(26) =9365a(27) =12092a(28) =15914a(29) =20422
External references
- oeis: A066739