Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the minimum of every 2 X 2 subblock equal.
A238173
Number of (n+1) X (1+1) 0..2 arrays with the maximum plus the minimum of every 2 X 2 subblock equal.
Terms
- a(0) =81a(1) =423a(2) =2329a(3) =13447a(4) =79641a(5) =479703a(6) =2918233a(7) =17859079a(8) =109676409a(9) =674920407a(10) =4158200569a(11) =25636328263a(12) =158116883673a(13) =975438912855
External references
- oeis: A238173