Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
A264221
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
Terms
- a(0) =64a(1) =3610a(2) =97520a(3) =2407816a(4) =68008846a(5) =1883268032a(6) =51345531360
External references
- oeis: A264221