Number of n X 5 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

A224035

Number of n X 5 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Terms

    a(0) =6a(1) =26a(2) =85a(3) =252a(4) =734a(5) =2149a(6) =6321a(7) =18673a(8) =55373a(9) =164729a(10) =491332a(11) =1468446a(12) =4395388a(13) =13170815a(14) =39497285a(15) =118511408a(16) =355728667a(17) =1068051097a(18) =3207330581a(19) =9632722080a(20) =28932821313a(21) =86907496260a(22) =261060029437a(23) =784214341324

External references