Solutions of the equation (n+2)' = (n+1)' + n', where n' is the arithmetic derivative of n.

A241214

Solutions of the equation (n+2)' = (n+1)' + n', where n' is the arithmetic derivative of n.

Terms

    a(0) =1a(1) =4a(2) =20257a(3) =43910a(4) =563101a(5) =18895033a(6) =119847146a(7) =305478634708

External references