Number of 2Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
A203492
Number of 2Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns.
Terms
- a(0) =3a(1) =10a(2) =80a(3) =556a(4) =3348a(5) =20596a(6) =134412a(7) =888232a(8) =5836068a(9) =38457456a(10) =255381636a(11) =1704162724a(12) =11399565860a(13) =76433483528a(14) =513785171540
External references
- oeis: A203492