User blog comment:Rgetar/Ordinal Explorer Online/@comment-3427444-20200217124006

Bug: the expansion of pair φ(2, 0, 0), φ(ω, 0, 0) show the following entries:
 * φ(2, 0, 1)
 * φ(2, 1, ω)
 * φ(2, 1, 0)
 * φ(2, ω, 0)
 * φ(3, 0, 0)

I think the bolded one is meant to be φ(2, 0, ω).