Number of (n+1)X(2+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock.

A236012

Number of (n+1)X(2+1) 0..2 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock.

Terms

    a(0) =306a(1) =1126a(2) =3744a(3) =12544a(4) =41844a(5) =140716a(6) =471308a(7) =1580152a(8) =5294132a(9) =17749124a(10) =59488776a(11) =199400040a(12) =668327516a(13) =2240142740a(14) =7508500744a(15) =25167109004a(16) =84355063048a(17) =282742241052a(18) =947697217680

External references