Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its northeast neighbor modulo 3 and the upper left element equal to 0.
A266656
Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its northeast neighbor modulo 3 and the upper left element equal to 0.
Terms
- a(0) =2a(1) =11a(2) =91a(3) =829a(4) =8013a(5) =80497a(6) =830673a(7) =8743293a(8) =93437237a(9) =1010633645a(10) =11038556349a(11) =121547316675
External references
- oeis: A266656