Number of length n+2 0..3 arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.

A251930

Number of length n+2 0..3 arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =22a(1) =120a(2) =431a(3) =1760a(4) =7452a(5) =30882a(6) =126098a(7) =511108a(8) =2063052a(9) =8301984a(10) =33334755a(11) =133657996a(12) =535440240a(13) =2143822408a(14) =8580556159a(15) =34335672876a(16) =137377037835a(17) =549596067402

External references