Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.
A263813
Number of (n+1)X(3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.
Terms
- a(0) =572a(1) =18776a(2) =643905a(3) =21876416a(4) =744805993a(5) =25345430544a(6) =862592912860
External references
- oeis: A263813