Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
A264211
Number of (n+1) X (2+1) arrays of permutations of 0..n*3+2 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2.
Terms
- a(0) =17a(1) =96a(2) =596a(3) =3610a(4) =21997a(5) =133836a(6) =814609a(7) =4957760a(8) =30173957a(9) =183643896a(10) =1117690025a(11) =6802461466a(12) =41401001380a(13) =251973919068
External references
- oeis: A264211