Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
A264382
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Terms
- a(0) =0a(1) =25a(2) =441a(3) =3778a(4) =60858a(5) =711068a(6) =9407584a(7) =115929779a(8) =1485398475a(9) =18746069596a(10) =237937556367
External references
- oeis: A264382