Number of linear extensions of the one-level grid poset G[(1^n), (1^(n-1)), (1^(n-1))].
A274764
Number of linear extensions of the one-level grid poset G[(1^n), (1^(n-1)), (1^(n-1))].
Terms
- a(0) =1a(1) =20a(2) =962a(3) =75080a(4) =8133732a(5) =1127589120a(6) =190416834360
External references
- oeis: A274764