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Doubly triangular number: Revision history

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curprev 07:5607:56, 18 March 2025 Lunatheangel talk contribs 4,838 bytes +335 Added section "Sum of reciprocals" undo

curprev 14:3814:38, 3 March 2024 Citation bot talk contribs 4,503 bytes +21 Added s2cid. | Use this bot. Report bugs. | Suggested by LeapTorchGear | Category:Integer sequences | #UCB_Category 108/220 undo

curprev 14:4514:45, 13 July 2023 Thatgaypigeon talk contribs m 4,482 bytes +48 No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

curprev 06:1106:11, 18 November 2022 Citation bot talk contribs 4,434 bytes +19 Add: date. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 55/1636 undo

curprev 18:1418:14, 23 March 2021 Joel Brennan talk contribs m 4,415 bytes +109 wikilinks undo

curprev 07:1807:18, 8 January 2021 David Eppstein talk contribs 4,306 bytes +393 tritriangular numbers undo
curprev 05:3005:30, 8 January 2021 David Eppstein talk contribs 3,913 bytes −403 →References: rm unused ref undo
curprev 05:2905:29, 8 January 2021 David Eppstein talk contribs 4,316 bytes −198 remove binom(binom(n,2),2)-based example, a different formula undo

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