Number of n X 4 0..1 arrays with row sums unimodal and column sums inverted unimodal.
A223779
Number of n X 4 0..1 arrays with row sums unimodal and column sums inverted unimodal.
Terms
- a(0) =11a(1) =155a(2) =1809a(3) =18368a(4) =170596a(5) =1467585a(6) =11958241a(7) =93143325a(8) =701011531a(9) =5122796281a(10) =36580579223a(11) =256023626995
External references
- oeis: A223779