Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 6 and the upper left element equal to 0.
A267560
Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 6 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =14a(4) =54a(5) =279a(6) =2041a(7) =22189a(8) =326500a(9) =5621462a(10) =104501293a(11) =2016824167a(12) =39643063478a(13) =785897007104
External references
- oeis: A267560