Daytime, a 1 to 2 hz fast flash, like 50ms on, 500 to 900 ms off would be my choice. NOT a seizure mode. just bop,bop,bop. Very short.

Nighttime I like the Cygolite with 500 lumens constant, and then a 50 to 100 lumen bop over the top of that. Cygolite does a 2 or 3 beat squirt, then a second of just the normal light.

-----------!!!-----------------!!!--------------!!!

Like that. The beats are very fast, like they all happen in 0.1 second and then rest for a second or maybe even 2 seconds.

My goal is never to be annoying, but unfortunately there are some drivers who are so oblivious that to be just noticed by them, I have to cross the line into annoying to others. It's unfortunate that the drivers who I like are the ones I wind up bothering.