Number of nX5 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.
A223767
Number of nX5 0..1 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing.
Terms
- a(0) =16a(1) =101a(2) =317a(3) =782a(4) =1748a(5) =3699a(6) =7564a(7) =14980a(8) =28778a(9) =53619a(10) =96979a(11) =170525a(12) =292045a(13) =488120a(14) =797778a(15) =1277432a(16) =2007477a(17) =3101006a(18) =4715203a(19) =7066083a(20) =10447376a(21) =15254495a(22) =22014688a(23) =31424652a(24) =44397084a(25) =62117861a(26) =86115779a(27) =118347041a(28) =161296967
External references
- oeis: A223767