Number of length n 1..(6+1) arrays with every leading partial sum divisible by 2 or 3.
A257060
Number of length n 1..(6+1) arrays with every leading partial sum divisible by 2 or 3.
Terms
- a(0) =4a(1) =18a(2) =81a(3) =364a(4) =1636a(5) =7353a(6) =33048a(7) =148534a(8) =667585a(9) =3000456a(10) =13485528a(11) =60610609a(12) =272413948a(13) =1224362538a(14) =5502888657a(15) =24732693652a(16) =111160914460a(17) =499611933801
External references
- oeis: A257060