21081995domain: NAppears in sequencesa(n) = floor(Fibonacci(n)/3).at n=39A004696a(n) = (F(8n+7)-1)/3, where F=A000045 (the Fibonacci sequence).at n=4A049656Associated with alternating row sums of array in A094566.at n=9A094567a(n) = round(Fibonacci(n)/3).at n=39A293544