a(n) is the unique nonnegative integer whose binary expansion is the parity sequence of the Collatz orbit of n, interpreted through a particular conjugacy (see Comments).
A389685
a(n) is the unique nonnegative integer whose binary expansion is the parity sequence of the Collatz orbit of n, interpreted through a particular conjugacy (see Comments).
Terms
- a(0) =1a(1) =2a(2) =47a(3) =4a(4) =21a(5) =94a(6) =2763a(7) =8a(8) =11049a(9) =42a(10) =1383a(11) =188a(12) =173a(13) =5526a(14) =5427a(15) =16a(16) =689a(17) =22098a(18) =22143a(19) =84a(20) =69a(21) =2766a(22) =2715a(23) =376a(24) =88569a(25) =346a(27) =11052a(28) =11069a(29) =10854a(31) =32
External references
- oeis: A389685