Aren't these similar to "when it rains, it pours" or "adding insult to injury" or "Troubles don't come alone, they like to arrive in groups"?
https://www.reddit.com/r/QuotesPorn/comments/9uu7wp/troubles...
They are more similar to "Once is happenstance. Twice is coincidence. Three times is enemy action" because they include explicit low numeric information