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A157577 as a simple table

n a(n)
2 1
3 3
4 378
5 18910
6 992325
7 74527005
8 5338966892
9 339980231676
10 20037272191665
11 1077068920503015
12 53256851208061050
13 2465137614876120834
14 109671118311748056245
15 4742369931941953806600
16 199288535032516918383432

[1,3,378,18910,992325,74527005,5338966892,
 339980231676,20037272191665,1077068920503015,
 53256851208061050,2465137614876120834,
 109671118311748056245,4742369931941953806600,
 199288535032516918383432]

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Last modified May 24 18:25 EDT 2022. Contains 354043 sequences. (Running on oeis4.)