Somewhat more practically, the default 'orange' row at plinkpot has these payouts:
[23, 9, 3, 2, 1.5, 1.2, 1.1, 1, 0.4, 1, 1.1, 1.2, 1.5, 2, 3, 9, 23]
and moneypot will risk up to 83.90% of its bankroll per bet on that line.
To win 150 BTC at 23x you need to bet just 150.0 / (23 - 1) = 6.818 BTC per ball. (And get lucky).
Should they be risking that much of their bankroll in a single bet? It seems like as we've just seen, that leaves MoneyPot and its investors exposed to a whale getting lucky and wiping them out.