Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A236722
Number of (n+1)X(2+1) 0..2 arrays with the maximum plus the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =211a(1) =639a(2) =1956a(3) =6469a(4) =21829a(5) =76632a(6) =274715a(7) =1011801a(8) =3796026a(9) =14529341a(10) =56433065a(11) =222377312a(12) =885798875a(13) =3563873289a(14) =14447284384a(15) =58961418181a(16) =241865432945a(17) =996575390514
External references
- oeis: A236722