Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,1 0,-1 0,1 or 1,0.
A264502
Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,1 0,-1 0,1 or 1,0.
Terms
- a(0) =6a(1) =38a(2) =211a(3) =1224a(4) =7177a(5) =41622a(6) =241432a(7) =1401492a(8) =8132167a(9) =47182878a(10) =273763030a(11) =1588400232a(12) =9215985850a(13) =53471653248a(14) =310245343849
External references
- oeis: A264502