Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.
A236791
Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal.
Terms
- a(0) =81a(1) =255a(2) =825a(3) =2817a(4) =9717a(5) =34317a(6) =122305a(7) =442285a(8) =1612085a(9) =5935493a(10) =21990145a(11) =82051485a(12) =307574133a(13) =1158698629a(14) =4379531169a(15) =16610367645a(16) =63145291189a(17) =240620562981a(18) =918393173569
External references
- oeis: A236791