Number of nX7 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself.

A265990

Number of nX7 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself.

Terms

    a(0) =1a(1) =7a(2) =9a(3) =24a(4) =59a(5) =137a(6) =422a(7) =865a(8) =2777a(9) =5666a(10) =16753a(11) =35213a(12) =94722a(13) =205921a(14) =510225a(15) =1143426a(16) =2648225a(17) =6090517a(18) =13350146a(19) =31380721a(20) =65741593a(21) =157403330a(22) =317579601a(23) =772359709a(24) =1509772802a(25) =3721329089a(26) =7080934945a(27) =17656526082a(28) =32827306561

External references