Number of (n+1) X (1+1) 0..2 arrays with 2 X 2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.
A235216
Number of (n+1) X (1+1) 0..2 arrays with 2 X 2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions or both.
Terms
- a(0) =59a(1) =427a(2) =3037a(3) =21693a(4) =154811a(5) =1105027a(6) =7887229a(7) =56296365a(8) =401823467a(9) =2868074659a(10) =20471306509a(11) =146116977453
External references
- oeis: A235216