Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its west neighbor modulo 3 and the upper left element equal to 0.
A266310
Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its west neighbor modulo 3 and the upper left element equal to 0.
Terms
- a(0) =2a(1) =7a(2) =39a(3) =265a(4) =1802a(5) =12239a(6) =84614a(7) =597601a(8) =4289844a(9) =31138558a(10) =227912351a(11) =1679866698a(12) =12457873439a(13) =92883320659a(14) =695746287346
External references
- oeis: A266310