Composite solutions to the equation reversal(x) - phi(x) = 1.
A130000
Composite solutions to the equation reversal(x) - phi(x) = 1.
Terms
- a(0) =52a(1) =1230a(2) =5032a(3) =5662a(4) =10040a(5) =14450a(6) =56253a(7) =56962a(8) =58882a(9) =92944a(10) =564472a(11) =731935a(12) =1865170a(13) =10882630a(14) =102178040a(15) =127648411a(16) =18484522651a(17) =100000000040a(18) =100219780040a(19) =163129755801
External references
- oeis: A130000