Template:Seal integer sequences/legend

a 🌊 arity 💧 adicity d depth v valency p pennon weight

non-counting sequence sequence triangle pyramid

Arity n is short for adicity ≤ n.
Sequences, triangles and pyramids using arity are marked with a wave 🌊, those using adicity are marked with a drop 💧.
🌊 entries are sums of 💧 columns.