Numerators of the sequence whose Dirichlet convolution with itself yields A057521, the powerful part of n.
A318650
Numerators of the sequence whose Dirichlet convolution with itself yields A057521, the powerful part of n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =15a(4) =1a(5) =1a(6) =1a(7) =49a(8) =35a(9) =1a(10) =1a(11) =15a(12) =1a(13) =1a(14) =1a(15) =603a(16) =1a(17) =35a(18) =1a(19) =15a(20) =1a(21) =1a(22) =1a(23) =49a(24) =99a(25) =1a(26) =181a(27) =15a(28) =1a(29) =1
External references
- oeis: A318650