Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
A264368
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
Terms
- a(0) =1a(1) =28a(2) =784a(3) =7168a(4) =65536a(5) =730368a(6) =8139609a(7) =86397399a(8) =917060089a(9) =9745523645a(10) =103564894225
External references
- oeis: A264368