1/6 the number of (n+2)X10 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.
A184476
1/6 the number of (n+2)X10 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last.
Terms
- a(0) =2147931a(1) =2386807a(2) =2652785a(3) =2967411a(4) =3727073a(5) =4808779
External references
- oeis: A184476