Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
A264425
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.
Terms
- a(0) =1a(1) =85a(2) =529a(3) =7311a(4) =101862a(5) =1103666a(6) =13805196a(7) =169633649a(8) =2021225139a(9) =24679272503a(10) =299292066678
External references
- oeis: A264425