Number of length 6+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.

A253134

Number of length 6+2 0..n arrays with the sum of medians of adjacent triples multiplied by some arrangement of +-1 equal to zero.

Terms

    a(0) =144a(1) =3323a(2) =32166a(3) =184145a(4) =764836a(5) =2521335a(6) =7036012a(7) =17264207a(8) =38381418a(9) =78763123a(10) =151375270a(11) =275557605a(12) =479126062a(13) =800684721a(14) =1293413658a(15) =2028024289a(16) =3097019402a(17) =4620705367a(18) =6751984484a(19) =9681773551a(20) =13650121504a(21) =18950897209

External references