Number of nX4 0..2 arrays with rows, antidiagonals and columns unimodal.

A223721

Number of nX4 0..2 arrays with rows, antidiagonals and columns unimodal.

Terms

    a(0) =46a(1) =2116a(2) =46613a(3) =608855a(4) =5537147a(5) =38566854a(6) =218619076a(7) =1051051942a(8) =4413826871a(9) =16548850432a(10) =56334327215a(11) =176427795883a(12) =513754867486

External references