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A203727 as a simple table

n a(n)
1 13665
2 69612
3 367595
4 1728140
5 7508980
6 29840078
7 108633030
8 365326803
9 1143413488
10 3354616070
11 9280999295
12 24345047529
13 60836152145
14 145450899834
15 333992270229
16 739111273479
17 1581104447457
18 3278467967427
19 6605334975638

[13665,69612,367595,1728140,7508980,29840078,
 108633030,365326803,1143413488,3354616070,
 9280999295,24345047529,60836152145,145450899834,
 333992270229,739111273479,1581104447457,
 3278467967427,6605334975638]

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Last modified August 19 23:59 EDT 2022. Contains 356231 sequences. (Running on oeis4.)