Numbers whose periodic derivative is equal to the arithmetic derivative.

Terms

a(0) =0a(1) =1a(2) =25a(3) =26a(4) =51a(5) =119a(6) =218a(7) =771a(8) =1754a(9) =1799a(10) =1921a(11) =7967a(12) =16147a(13) =32639a(14) =128129a(15) =196611a(16) =458759a(17) =1044143a(18) =2031647a(19) =7190234a(20) =8323199a(21) =33464867a(22) =536581571a(23) =536813567a(24) =1073691551a(25) =2145328183a(26) =7202169026a(27) =8746826298a(28) =17179612627a(29) =68719005499