Number of (n+1) X (1+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2 X 2 subblock.
A235895
Number of (n+1) X (1+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2 X 2 subblock.
Terms
- a(0) =33a(1) =125a(2) =473a(3) =1797a(4) =6849a(5) =26189a(6) =100457a(7) =386517a(8) =1491537a(9) =5771933a(10) =22396025a(11) =87120549a(12) =339708129a(13) =1327583213a(14) =5199036809a(15) =20399760501a(16) =80187289713a(17) =315721128509
External references
- oeis: A235895