171704domain: NAppears in sequencesa(n) = 10*n^3 - 6*n^2.at n=26A006592Row sums of a Pascal-Thue-Morse triangle.at n=19A114226Number of (w,x,y,z) with all terms in {1,...,n} and w > |x-y| + |y-z|.at n=26A212674