Number of (4+1) X (n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,1 0,-1 0,1 or 1,0.
A264510
Number of (4+1) X (n+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,1 0,-1 0,1 or 1,0.
Terms
- a(0) =4a(1) =8a(2) =149a(3) =1224a(4) =11464a(5) =105324a(6) =934515a(7) =8447072a(8) =74853911a(9) =667307316a(10) =5910551849a(11) =52402729032a(12) =463749831684
External references
- oeis: A264510