Basically. There's a little more math involved, because genetics is never as easy as this plus that gives me what I want.
When breeding a piebald female to a pinstripe het pied male, you have 25% odds all around for a normal het pied, a pinstripe het pied, a visual pied, and a pinstripe pied. If you bred a visual piebald female to a pinstripe piebald male, 50% of the babies should be regular piebald, 50% should be pinstripe piebald.
Codoms only really work differently when bred to the same gene or something in that complex. Otherwise the same rules apply as for dominant traits. A piebald female to a het or visual piebald male with any codominant trait will give you the same odds as above, except replace pin with whatever gene of your choice.
It may be possible that someone just hasn't bred a butter pied yet. I don't imagine there being a ton of interest in piebalds involving the leucistic complex, just because breeding them back together produces a totally white snake that may be piebald, but won't look it. Genetically I can see a piebald leucistic having some value, but visually it's a pretty pointless combination. A piebald with no piebalding is hardly worth it, you know?
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