vasily-kirichenko/gist:3019651

## gistfile1.fs
let rec fib n =
    match n with
        |0|1 -> n
        |x when x > 0 -> fib(x - 1) + fib(x - 2)

for x in 0..39 do
    printfn "fib(%d) = %d" x (fib x)
	let rec fib n =
	match n with
	\|0\|1 -> n
	\|x when x > 0 -> fib(x - 1) + fib(x - 2)

	for x in 0..39 do
	printfn "fib(%d) = %d" x (fib x)