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

A224151

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

Terms

    a(0) =8a(1) =64a(2) =357a(3) =1536a(4) =5471a(5) =16885a(6) =46586a(7) =117510a(8) =275557a(9) =608423a(10) =1277544a(11) =2571226a(12) =4991541a(13) =9394324a(14) =17211567a(15) =30799955a(16) =53979914a(17) =92858530a(18) =157069847a(19) =261620888a(20) =429605663a(21) =696147855a(22) =1114062432a(23) =1761895136a(24) =2755216271a(25) =4262322913

External references