23843770287domain: NAppears in sequencesa(n) = F(n+5) * F(n+2) - 12 * (-1)^n where F(n) = A000045(n) are the Fibonacci numbers.at n=22A343008a(n) = (F(4*n + 3) - F(4*n - 1) + 5*n - 1)/5, where F(n) = A000045(n).at n=13A392838