In the vanilla behavior pack there are no recipes for stone slabs for crafting table. Here is a list of missing recipes:
Cobblestone slab
Mossy cobblestone slab
Stone slab
Stone brick slab
Mossy stone brick slab
Andesite slab
Polished andesite slab
Diorite slab
Polished diorite slab
Granite slab
Polished granite slab
Sandstone slab
Smooth stone slab
Brick slab
Nether brick slab
Red nether brick slab
Quartz slab
Smooth quartz slab
Sandstone slab
Smooth sandstone slab
Cut sandstone slab
Red sandstone slab
Smooth red sandstone slab
Cut red sandstone slab
Prismarine slab
Dark prismarine slab
Prismarine brick slab
End brick slab
Purpur slab
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