Number of nX2 1..6 arrays containing at least one of each value, and all equal values connected.
A166759
Number of nX2 1..6 arrays containing at least one of each value, and all equal values connected.
Terms
- a(0) =0a(1) =0a(2) =720a(3) =32400a(4) =434160a(5) =3309120a(6) =17807040a(7) =75294000a(8) =266274720a(9) =819872640a(10) =2259483120a(11) =5685633360a(12) =13259846160a(13) =28992150720a(14) =59970549600a(15) =118213974000a(16) =223381776960
External references
- oeis: A166759