Number of n X 6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors within one of itself.

A196015

Number of n X 6 0..4 arrays with each element equal to the number its horizontal and vertical neighbors within one of itself.

Terms

    a(0) =1a(1) =5a(2) =16a(3) =91a(4) =316a(5) =708a(6) =3572a(7) =14607a(8) =54710a(9) =196832a(10) =782926a(11) =3062632a(12) =11714725a(13) =44732791a(14) =173085686a(15) =668753382a(16) =2573295221a(17) =9902406595a(18) =38178807169a(19) =147173375542a(20) =566944981911

External references