Yield continued fraction coefficients for Napier's constant (e)

gistfile1.txt

def A003417():
    n = 0
    while True:
        if n == 0:
            yield 2
        if n == 1:
            yield 1
        else:
            if (n+1) % 3 == 0:
                yield int(2 * ((n+1) / 3))
            else:
                yield 1
        n += 1