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A253821 as a simple table

n a(n)
1 1
2 181
3 589
4 208489
5 679321
6 240595741
7 783935461
8 277647276241
9 904660842289
10 320404716185989
11 1043977828065661
12 369746764831354681
13 1204749508926930121
14 426687446210667115501
15 1390279889323849293589
16 492396943180345019933089
17 1604381787530213157871201

[1,181,589,208489,679321,240595741,783935461,
 277647276241,904660842289,320404716185989,
 1043977828065661,369746764831354681,
 1204749508926930121,426687446210667115501,
 1390279889323849293589,492396943180345019933089,
 1604381787530213157871201]

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Last modified July 5 00:40 EDT 2020. Contains 335457 sequences. (Running on oeis4.)