Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,1 0,-1 0,2 1,0 -1,0 or 2,0.
A264159
Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,1 0,-1 0,2 1,0 -1,0 or 2,0.
Terms
- a(0) =10a(1) =72a(2) =412a(3) =2927a(4) =19204a(5) =126688a(6) =845296a(7) =5596616a(8) =37146638a(9) =246557278a(10) =1635702595a(11) =10854696412a(12) =72027127388a(13) =477937014228
External references
- oeis: A264159