Number of 7Xn 0..1 arrays with rows unimodal and antidiagonals nondecreasing.

A224414

Number of 7Xn 0..1 arrays with rows unimodal and antidiagonals nondecreasing.

Terms

    a(0) =128a(1) =2916a(2) =16684a(3) =52700a(4) =129402a(5) =284254a(6) =590254a(7) =1183226a(8) =2313915a(9) =4440909a(10) =8390988a(11) =15630228a(12) =28711640a(13) =51997668a(14) =92801492a(15) =163153936a(16) =282488024a(17) =481647192a(18) =808773552a(19) =1337828696a(20) =2180752418a(21) =3504587582a(22) =5555307682

External references