Talk:Tier 3 building upgrades (Everlasting lighthouse, Godly statue, Pyramids of Power, Temple of God) Level 0-80/@comment-1301731-20150417081006

In case it hasn't been noted yet, the number of creations/upgrade level is n^2, where n is the previous level, at n=0, n=1.

In other words, it's the list of natural squares with an extra 1 thrown in at the beginning.