Number of n X 2 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.
A267947
Number of n X 2 0..2 arrays with every repeated value in every row and column one larger mod 3 than the previous repeated value, and upper left element zero.
Terms
- a(0) =3a(1) =27a(2) =192a(3) =1323a(4) =8427a(5) =52272a(6) =312987a(7) =1839267a(8) =10603200a(9) =60345675a(10) =339437307a(11) =1892440368a(12) =10469566875a(13) =57562540083a(14) =314803596288
External references
- oeis: A267947