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• Squared triangular numbers are non-central, in that they count the number of integer solutions of0 ≤a, b, c, d;a +b,c +d ≤n. They might also be central by a different construction, but I've seen no evidence of it.
• Centered pentachoric numbers may need to go.
• —Arthur Rubin(talk)23:05, 21 December 2019 (UTC)[reply]

Would it be possible to have only a single group expanded, using{{Navbox with collapsible groups}}? —Arthur Rubin(talk)23:06, 21 December 2019 (UTC)[reply]

Shouldfifth power,sixth power,seventh power, andeighth power be added to the template as higher-dimensional non-central figurate numbers? —Arthur Rubin(talk)01:39, 27 December 2019 (UTC)[reply]

Done. If anyone objects, talk to me. —Arthur Rubin(talk)22:37, 27 December 2019 (UTC)[reply]

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