a(n) = Sum_{ d divides n } q(d), where q(d) = A000009 = number of partitions of d into distinct parts.
A047966
a(n) = Sum_{ d divides n } q(d), where q(d) = A000009 = number of partitions of d into distinct parts.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =4a(5) =8a(6) =6a(7) =10a(8) =11a(9) =15a(10) =13a(11) =25a(12) =19a(13) =29a(14) =33a(15) =42a(16) =39a(17) =62a(18) =55a(19) =81a(20) =84a(21) =103a(22) =105a(23) =153a(24) =146a(25) =185a(26) =203a(27) =253a(28) =257a(29) =344
External references
- oeis: A047966