Number of nXnXn triangular 0..4 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.
A214348
Number of nXnXn triangular 0..4 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.
Terms
- a(0) =5a(1) =65a(2) =1951a(3) =127813a(4) =17790765a(5) =5193620491
External references
- oeis: A214348