Number of n X 6 0..1 arrays with rows nondecreasing and antidiagonals unimodal.
A224131
Number of n X 6 0..1 arrays with rows nondecreasing and antidiagonals unimodal.
Terms
- a(0) =7a(1) =49a(2) =269a(3) =1279a(4) =5648a(5) =24095a(6) =101412a(7) =425246a(8) =1783229a(9) =7484923a(10) =31443217a(11) =132153826a(12) =555559627a(13) =2335689630a(14) =9819848422a(15) =41284852413a(16) =173569002429a(17) =729710418743
External references
- oeis: A224131