Anyone have any good ab workouts for home?

So I've been doing
4 sets of bicycle kicks for 1 minute
4 sets of Planks for 2 minutes each
4 sets of leg raises 20 reps.

I eat healthy but I just look like I have a pancake stomach. I'm just wondering if anyone has a better ab workout that I don't need a gym for?
Anyone have any good ab workouts for home?
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