Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,2 or 1,0.
A264209
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,2 or 1,0.
Terms
- a(0) =25a(1) =605a(2) =14641a(3) =223245a(4) =3404025a(5) =59040000a(6) =1024000000a(7) =17127328000a(8) =286470082441
External references
- oeis: A264209