Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..2 introduced in row major order.
A205355
Number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having the same number of equal diagonal or antidiagonal elements, and new values 0..2 introduced in row major order.
Terms
- a(0) =50a(1) =275a(2) =1562a(3) =8948a(4) =51458a(5) =296774a(6) =1716002a(7) =9946442a(8) =57787010a(9) =336482834a(10) =1963466114a(11) =11480698658a(12) =67259440130a(13) =394759998530
External references
- oeis: A205355