1/6 the number of (n+1)X5 0..2 arrays with every 2X2 subblock containing all three values.
A183598
1/6 the number of (n+1)X5 0..2 arrays with every 2X2 subblock containing all three values.
Terms
- a(0) =534a(1) =10797a(2) =201770a(3) =3831324a(4) =72592860a(5) =1376627608a(6) =26108240340a(7) =495215814566
External references
- oeis: A183598