Number of (n+1) X (1+1) 0..3 arrays with 2 X 2 edge jumps all no more than +1 in one of the clockwise or counterclockwise directions but not both.
A234762
Number of (n+1) X (1+1) 0..3 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) =56a(1) =240a(2) =916a(3) =3800a(4) =14828a(5) =60552a(6) =239044a(7) =967784a(8) =3845148a(9) =15493000a(10) =61775668a(11) =248247480a(12) =991807292a(13) =3979719864a(14) =15917452772a(15) =63817779896a(16) =255404741740
External references
- oeis: A234762