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A263521 as a simple table

n a(n)
1 23
2 208
3 2076
4 18369
5 158109
6 1317780
7 10791350
8 87194833
9 698250904
10 5555688785
11 44005119429
12 347432212188
13 2736799922735
14 21523189213085
15 169068961542156
16 1326964403390558
17 10408686351322363
18 81610767953922967
19 639685545725575292

[23,208,2076,18369,158109,1317780,10791350,
 87194833,698250904,5555688785,44005119429,
 347432212188,2736799922735,21523189213085,
 169068961542156,1326964403390558,
 10408686351322363,81610767953922967,
 639685545725575292]

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Last modified April 25 11:20 EDT 2024. Contains 371967 sequences. (Running on oeis4.)