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 1,2.
A264134
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 1,2.
Terms
- a(0) =1a(1) =34a(2) =1156a(3) =13600a(4) =160000a(5) =2920000a(6) =53290000a(7) =862334400a(8) =13954224384a(9) =237306157920
External references
- oeis: A264134