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 or -1,-2.
A264288
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 or -1,-2.
Terms
- a(0) =1a(1) =69a(2) =556a(3) =4484a(4) =47492a(5) =448821a(6) =4227024a(7) =40561798a(8) =385401502a(9) =3654429812a(10) =34690006705a(11) =329163589542
External references
- oeis: A264288