Number of (n+1) X (6+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock.

A235882

Number of (n+1) X (6+1) 0..2 arrays with the minimum plus the upper median equal to the lower median plus the maximum in every 2 X 2 subblock.

Terms

    a(0) =2571a(1) =3345a(2) =4911a(3) =8097a(4) =14631a(5) =28185a(6) =56751a(7) =118257a(8) =254391a(9) =566025a(10) =1307391a(11) =3144417a(12) =7881351a(13) =20543865a(14) =55434831a(15) =153914577a(16) =436967511a(17) =1261353705a(18) =3684967071a(19) =10856716737a(20) =32173784871a(21) =95728627545a(22) =285600432111

External references