Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
A264420
Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
Terms
- a(0) =4a(1) =119a(2) =2681a(3) =101862a(4) =4023076a(5) =147984724a(6) =5498758183a(7) =201733617932
External references
- oeis: A264420