Numerators of rational valued sequence whose Dirichlet convolution with itself yields A234840, which is a multiplicative permutation of natural numbers.

A317930

Numerators of rational valued sequence whose Dirichlet convolution with itself yields A234840, which is a multiplicative permutation of natural numbers.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =27a(4) =19a(5) =3a(6) =61a(7) =135a(8) =3a(9) =57a(10) =11a(11) =27a(12) =281a(13) =183a(14) =19a(15) =2835a(16) =101a(17) =9a(18) =5a(19) =513a(20) =61a(21) =33a(22) =263a(23) =135a(24) =1083a(25) =843a(26) =5a(27) =1647a(28) =29a(29) =57

External references