Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,1 or 1,2.
A264337
Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,1 or 1,2.
Terms
- a(0) =181a(1) =3567a(2) =70669a(3) =1399783a(4) =27726581a(5) =549201567a(6) =10878455069a(7) =215477871383
External references
- oeis: A264337