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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A358058 a(n) is the index of the smallest n-gonal number divisible by exactly n n-gonal numbers.

Original entry on oeis.org

3, 6, 12, 48, 51, 330, 1100, 702, 8120, 980, 5499, 110880, 10472, 2688, 2127411, 517104, 710640, 396480, 2761803, 4254120, 13347975, 707000, 3655827
Offset: 3

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Ilya Gutkovskiy, Dec 12 2022

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Cf. A358859.

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