Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
A264381
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Terms
- a(0) =1a(1) =13a(2) =80a(3) =385a(4) =2345a(5) =14329a(6) =88264a(7) =538417a(8) =3284212a(9) =20034334a(10) =122324128a(11) =746763789a(12) =4557854384a(13) =27820780958a(14) =169811407936
External references
- oeis: A264381