"I think it is true for all _n. I was just playing it safe with _n >= 3 because I couldn't remember the proof." -- Baker, Pure Math 351anarbel's house-fly
To A Quick Young Fox: Why jog exquisite bulk, fond crazy vamp, Daft buxom jonquil, zephyr's gawky vice? Guy fed by work, quiz Jove's xanthic lamp -- Zow! Qualms by deja vu gyp fox-kin thrice. -- Lazy Dog