Least numbers k that can be expressed as k = a' + b', with k = a + b, in exactly n ways, where a' and b' are the arithmetic derivatives of a and b.

A292362

Least numbers k that can be expressed as k = a' + b', with k = a + b, in exactly n ways, where a' and b' are the arithmetic derivatives of a and b.

Terms

    a(0) =1a(1) =0a(2) =27a(3) =999a(4) =573a(5) =14121a(6) =27675a(7) =68600a(8) =3528a(9) =192672a(10) =121000a(11) =158184

External references