Number of base 21 circular n-digit numbers with adjacent digits differing by 4 or less.
A125358
Number of base 21 circular n-digit numbers with adjacent digits differing by 4 or less.
Terms
- a(0) =1a(1) =21a(2) =169a(3) =1101a(4) =8369a(5) =64671a(6) =511957a(7) =4108671a(8) =33331889a(9) =272616609a(10) =2244091579a(11) =18568201871a(12) =154285123493
External references
- oeis: A125358