Number of nX7 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.
A223741
Number of nX7 0..2 arrays with rows, columns, diagonals and antidiagonals unimodal.
Terms
- a(0) =239a(1) =57121a(2) =4207089a(3) =129982953a(4) =2289596121a(5) =28017383049a(6) =268717054875
External references
- oeis: A223741