Number of lower triangles of a (2n+4)X(2n+4) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.

A194784

Number of lower triangles of a (2n+4)X(2n+4) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor.

Terms

    a(0) =43a(1) =493a(2) =4069a(3) =30608a(4) =229869a(5) =1782111a(6) =14399939a(7) =121414559a(8) =1066897441a(9) =9753094999a(10) =92586232382a(11) =911156698994

External references