112028175

Appears in sequences

• a(n) = a(n-4)*a(n-3) + a(n-4)*a(n-2) + a(n-3)*a(n-2) + a(n-4)*a(n-1) + a(n-3)*a(n-1) + a(n-2)*a(n-1).at n=9A121812