Ok, for those of you with a big amount of journal taps, here's a way to find out if you got your correct delay and seconds without having to go through all the taps only to end up with the incorrect pokemon.
First, you must find out the seed for your legend. If you're resetting legends, you've already done this.
Then generate a list, starting with that seed, using the method DPPt Egg PID (Normal). Take note of the ability (0 or 1) for each spread in the list.
Open the coin flip app (it would help if you had this open already when you saved in front of your legend) and flip 10-20 coins. Since the coin flipper uses the same RNG as the egg PIDs, and because of the way it's calculated, the results of the coin flips (heads/tails) will match the number displayed in the ability column, as long as you have the correct seed.
Ability 0 = Tails
Ability 1 = Heads
So if your frames, in order, read 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0
Your coin flip sequence would look like tails, tails, heads, tails, heads, heads, heads, tails, tails, heads, tails
If you get this sequence (I wouldn't flip less than 10, 20 is probably enough on the high end), you have the correct seed, and may begin your journal taps and pokemon catching. The coin flipping will not advance the PRNG used for pokemon generation, so it'll start at frame 1, or whatever offset you get for runners.
If you do not get a matching sequence of coin flips, SR your game and try again. You just saved a bunch of useless journal taps.
I just tested this and it does work, so long as you're doing everything right.