2024188domain: NAppears in sequencesNumber of length 4+2 0..n arrays with the sum of the maximum minus twice the median plus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=12A251431G.f. A(x) satisfies A( x*(1+x)/A(x)^2 ) = 1 + x.at n=10A383563