Number of n X n binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order, and no more than 9 ones in any row or column.
A162126
Number of n X n binary arrays with rows and columns, considered as graycode numbers, in strictly increasing order, and no more than 9 ones in any row or column.
Terms
- a(0) =2a(1) =4a(2) =25a(3) =408a(4) =18003a(5) =2289232a(6) =851979730a(7) =942937083934
External references
- oeis: A162126