Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).

A235317

Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 7 (constant-stress 1 X 1 tilings).

Terms

    a(0) =41216a(1) =71896a(2) =118160a(3) =241600a(4) =459536a(5) =1062832a(6) =2291696a(7) =5805424a(8) =13828496a(9) =37480816a(10) =96320240a(11) =274905520a(12) =748476176a(13) =2225038192a(14) =6336650096a(15) =19467254704a(16) =57471337616a(17) =181369764976a(18) =551385678320

External references