T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock equal.
A236902
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =339a(2) =339a(3) =1426a(4) =3205a(5) =1426a(6) =6545a(7) =30644a(8) =30644a(9) =6545a(10) =30727a(11) =337861a(12) =588459a(13) =337861a(14) =30727a(15) =148966a(16) =3782769a(17) =13845208a(18) =13845208a(19) =3782769a(20) =148966a(21) =734805a(22) =43538228a(23) =316943905a(24) =715994489a(25) =316943905a(26) =43538228a(27) =734805a(28) =3679063
External references
- oeis: A236902