Number of n X 5 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
A278804
Number of n X 5 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order.
Terms
- a(0) =21a(1) =336a(2) =5767a(3) =110455a(4) =2179956a(5) =41299256a(6) =725674326a(7) =11698232451a(8) =172994405326
External references
- oeis: A278804