Number of (n+1) X (7+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.

A235883

Number of (n+1) X (7+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) =7329a(1) =8871a(2) =11973a(3) =18231a(4) =30909a(5) =56751a(6) =109893a(7) =220551a(8) =454989a(9) =963231a(10) =2097813a(11) =4721271a(12) =11031069a(13) =26839311a(14) =68021733a(15) =179084391a(16) =487303149a(17) =1362020991a(18) =3886297653a(19) =11259373911a(20) =32979095229a(21) =97339244271a(22) =288821661573

External references