Number of (n+1) X (1+1) 0..4 arrays with 2 X 2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.
A234770
Number of (n+1) X (1+1) 0..4 arrays with 2 X 2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.
Terms
- a(0) =88a(1) =454a(2) =2056a(3) =10076a(4) =46804a(5) =226072a(6) =1060636a(7) =5086576a(8) =23991808a(9) =114597900a(10) =542168944a(11) =2583725396a(12) =12245147680a(13) =58277217168a(14) =276473917972
External references
- oeis: A234770