Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..2 nX3 array.

A220256

Majority value maps: number of nX3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and vertical neighbors in a random 0..2 nX3 array.

Terms

    a(0) =4a(1) =35a(2) =243a(3) =1875a(4) =15150a(5) =115776a(6) =903439a(7) =7005461a(8) =54249716a(9) =420545092a(10) =3257486504a(11) =25234938173a(12) =195482980668

External references