Let f(x) be the absolute value of the difference between x and its base-2 reversal. Let g(x) be the number of times f(x) must be applied to x for the result to be 0. a(n) is the smallest value of x for which g(x) is n.
A259658
Let f(x) be the absolute value of the difference between x and its base-2 reversal. Let g(x) be the number of times f(x) must be applied to x for the result to be 0. a(n) is the smallest value of x for which g(x) is n.
Terms
- a(0) =0a(1) =1a(2) =2a(3) =11a(4) =38a(5) =271a(6) =544a(7) =2093a(8) =2624a(9) =8607a(10) =17984a(11) =35343a(12) =35904a(13) =70671a(14) =71744a(15) =141327a(16) =143424a(17) =282639a(18) =286784a(19) =565263a(20) =573504a(21) =1130511a(22) =1146944a(23) =2261007a(24) =2293824a(25) =4521999a(26) =4587584a(27) =9043983a(28) =9175104a(29) =18087951
External references
- oeis: A259658