Number of linear extensions of the one-level grid poset G[(1^n), (0^(n-1)), (0^(n-1))].
A274644
Number of linear extensions of the one-level grid poset G[(1^n), (0^(n-1)), (0^(n-1))].
Terms
- a(0) =1a(1) =6a(2) =71a(3) =1266a(4) =30206a(5) =902796a(6) =32420011a(7) =1359292626a(8) =65164480466
External references
- oeis: A274644