1
No, that's unreadable code and therefore not idiomatic. The typical way to generate large numbers is to use multiplication.
"Hello, World!" translates to ASCII values
< 72, 101, 108, 108, 111, 44, 32, 87, 111, 114, 108, 100, 33 >
… which can be thought of as
10 * < 7, 10, 11, 11, 11, 4, 3...