Numbers m such that (m'-1)' = m+1, where m' denotes the arithmetic derivative of m.

A203617

Numbers m such that (m'-1)' = m+1, where m' denotes the arithmetic derivative of m.

Terms

    a(0) =30a(1) =210a(2) =246a(3) =858a(4) =1722a(5) =66198a(6) =235290a(7) =282342a(8) =1929378a(9) =1976394a(10) =2214408306

External references