Number of nX6 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

A224036

Number of nX6 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Terms

    a(0) =7a(1) =34a(2) =119a(3) =363a(4) =1064a(5) =3107a(6) =9125a(7) =26928a(8) =79800a(9) =237348a(10) =708163a(11) =2118654a(12) =6353180a(13) =19088180a(14) =57442255a(15) =173085671a(16) =522085599a(17) =1576088206a(18) =4761041486a(19) =14389487483a(20) =43507313943a(21) =131587493711a(22) =398081815019

External references