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A015300 as a simple table

n a(n)
4 1
5 13421
6 198134223
7 2898705467483
8 42442845454886086
9 621401842151984058606
10 9097949506151746630368210
11 133203071884610819994409432410
12 1950226184559914695131839252162415 

[1,13421,198134223,2898705467483,
 42442845454886086,621401842151984058606,
 9097949506151746630368210,
 133203071884610819994409432410,
 1950226184559914695131839252162415]

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Last modified September 19 02:20 EDT 2024. Contains 376003 sequences. (Running on oeis4.)