Number of nX3 arrays containing 3 copies of 0..n-1 with every element equal to or 1 greater than any west neighbor modulo n and the upper left element equal to 0.
A267626
Number of nX3 arrays containing 3 copies of 0..n-1 with every element equal to or 1 greater than any west neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =10a(2) =39a(3) =208a(4) =1576a(5) =14830a(6) =168500a(7) =2247280a(8) =34423760a(9) =596248800a(10) =11529957600a(11) =246360114000
External references
- oeis: A267626