Number of nX6 0..2 arrays with rows and antidiagonals unimodal.
A223973
Number of nX6 0..2 arrays with rows and antidiagonals unimodal.
Terms
- a(0) =148a(1) =21904a(2) =2026448a(3) =153196498a(4) =10676374380a(5) =715985189481
External references
- oeis: A223973