Number of n X 7 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

A223837

Number of n X 7 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.

Terms

    a(0) =29a(1) =239a(2) =926a(3) =2578a(4) =6159a(5) =13582a(6) =28369a(7) =56607a(8) =108282a(9) =199047a(10) =352486a(11) =602938a(12) =998945a(13) =1607388a(14) =2518375a(15) =3850945a(16) =5759652a(17) =8442093a(18) =12147444a(19) =17186068a(20) =23940259a(21) =32876186a(22) =44557101a(23) =59657875a(24) =78980926a(25) =103473603a(26) =134247090a(27) =172596894a(28) =220024981a(29) =278263624

External references