Number of (n+2)X5 0..1 matrices with each 3X3 subblock having the same population.

A224646

Number of (n+2)X5 0..1 matrices with each 3X3 subblock having the same population.

Terms

    a(0) =3200a(1) =5696a(2) =10304a(3) =19328a(4) =44096a(5) =103232a(6) =250304a(7) =672320a(8) =1832000a(9) =5072000a(10) =14598464a(11) =42259520a(12) =123062720a(13) =363331136a(14) =1075129664a(15) =3188732288a(16) =9504804416a(17) =28357861952a(18) =84686143424a(19) =253379455040a(20) =758408705600

External references