158911647841domain: NAppears in sequencesa(n+1) = 11*a(n) - a(n-1) - 3, a(0)=a(1)=1.at n=12A092444G.f. = g(f(x)), where f(x) = g.f. of Fibonacci sequence A000045 and g(x) = g.f. of Jacobsthal sequence A001045.at n=23A322573