Number of (n+2) X 8 0..2 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
A185474
Number of (n+2) X 8 0..2 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =169052a(1) =1433903a(2) =8297059a(3) =37961900a(4) =146203201a(5) =493061605a(6) =1497314456a(7) =4179700035a(8) =10893560939a(9) =26828743607a(10) =63022511852a(11) =142244535949a(12) =310251195820a(13) =656871055669
External references
- oeis: A185474