Least solution x to the equation x' = (x+1)/n, where x' is the arithmetic derivative of x; -1 if no solution exists.

A263927

Least solution x to the equation x' = (x+1)/n, where x' is the arithmetic derivative of x; -1 if no solution exists.

Terms

    a(0) =30a(1) =15a(2) =2a(3) =3a(4) =119a(5) =5a(6) =209a(7) =7a(8) =323a(9) =559a(10) =527a(11) =11a(12) =779a(13) =13a(14) =899a(15) =1919a(16) =1189a(17) =17a(18) =2507a(19) =19a(20) =1763a(21) =42455401a(22) =2759a(23) =23a(24) =5249a(25) =2911a(26) =3239a(27) =23519a(28) =3827a(29) =29

External references