Least number that requires n steps to reach 0 by repeated application of f: x -> abs(x - reverse(x)).

A109891

Least number that requires n steps to reach 0 by repeated application of f: x -> abs(x - reverse(x)).

Terms

    a(0) =0a(1) =1a(2) =10a(3) =16a(4) =14a(5) =15a(6) =13a(7) =1011a(8) =1017a(9) =1037a(10) =1027a(11) =1014a(12) =1013a(13) =1028a(14) =100143a(15) =100135a(16) =100145a(17) =100134a(18) =100103a(19) =100195a(20) =100137a(21) =100227a(22) =100114a(23) =100128a(24) =100194a(25) =100107a(26) =100307a(27) =100277a(28) =100413a(29) =100345

External references