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

A224145

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

Terms

    a(0) =29a(1) =239a(2) =1037a(3) =3296a(4) =8838a(5) =21183a(6) =46586a(7) =95455a(8) =184222a(9) =337727a(10) =592178a(11) =998751a(12) =1627894a(13) =2574399a(14) =3963306a(15) =5956703a(16) =8761486a(17) =12638143a(18) =17910626a(19) =24977375a(20) =34323558a(21) =46534591a(22) =62311002a(23) =82484703a(24) =108036734a(25) =140116543a(26) =180062866

External references