Sequence builder 3n-1 from odd to odd
Current n: 1 (dec) 1 (bin) mod 8 = 1
Action
Select
New odd number (dec)
New odd number (bin)
New odd number mod 8
Movement
n * 4 - 1
3 (Alias for 1)
11
3
Up
n - (n-1)/3
1
1
1
Down
n + (n+1)/3
(not possible)
Up
Submit
back
  
1
  
5
  
17
  
  
Sequence: UDU1
Parity sequence: UU1
Sequence executed:
Iteration
Decimal
Binary
n mod 8
n mod 4
1.
1
1
1
1 - Up
2.
2
10
2
2 - Down
3.
1
1
1
1 - Up