Number of (3+1) X (n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
A264072
Number of (3+1) X (n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
Terms
- a(0) =8a(1) =89a(2) =1210a(3) =12100a(4) =131890a(5) =1445345a(6) =15892745a(7) =174807490a(8) =1922750500a(9) =21148816810a(10) =232621218005
External references
- oeis: A264072