Number of (n+1) X (5+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

A235295

Number of (n+1) X (5+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

Terms

    a(0) =1888a(1) =2556a(2) =3536a(3) =5784a(4) =9568a(5) =18624a(6) =35936a(7) =79728a(8) =172288a(9) =420816a(10) =983456a(11) =2575824a(12) =6335488a(13) =17408784a(14) =44189216a(15) =125260368a(16) =323970688a(17) =936469776a(18) =2449052576a(19) =7166397264a(20) =18866545408a(21) =55638307344a(22) =147078545696a(23) =435949117008

External references