Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.
A264247
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.
Terms
- a(0) =5a(1) =89a(2) =804a(3) =9005a(4) =108020a(5) =1249237a(6) =14586353a(7) =170942377a(8) =2001234341a(9) =23442021869a(10) =274620887525
External references
- oeis: A264247