Number of (n+2)X10 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
A185476
Number of (n+2)X10 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.
Terms
- a(0) =636698a(1) =6763143a(2) =46732687a(3) =247920339a(4) =1090826214a(5) =4179700035a(6) =14425457557a(7) =45945546278a(8) =137459779979a(9) =391292289484
External references
- oeis: A185476