Number of (n+1)X(3+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock equal.
A236741
Number of (n+1)X(3+1) 0..2 arrays with the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =833a(1) =7377a(2) =68839a(3) =810039a(4) =9665961a(5) =119169209a(6) =1475983975a(7) =18374935939a(8) =229046649189
External references
- oeis: A236741