3-4 point high approach one-space low pincer, tenuki
It is unexpected if White ignores Black's pincer . Black can get a good result by connecting under next.
In fact by frequency in a database search, here is the most common way to play. This is Black taking an aggressive line.
This is the way it has gone in a number of pro games ( could be at a, also). Black has developed on both sides while White still has a weak group. The result differs from a standard joseki by the presence of the stone - which makes a large difference.