Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 1,1.
A264114
Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,2 or 1,1.
Terms
- a(0) =16a(1) =714a(2) =44100a(3) =1086300a(4) =39087504a(5) =1399892079a(6) =52292712976
External references
- oeis: A264114