97784domain: NAppears in sequencesNumber of right triangles on a (n+1)X8 grid.at n=32A189812a(n) = a(n-1) + 3*a(n-2) + 3*a(n-3) + a(n-4), where a(0) = a(1) = a(2) = a(3) = 1.at n=14A275277