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A091708 as a simple table

n a(n)
1 1
2 9
3 68
4 549
5 4819
6 43506
7 397756
8 3681943
9 34344296
10 322199867
11 3036544958
12 28722439343
13 272501681533
14 2591959274190

[1,9,68,549,4819,43506,397756,3681943,34344296,
 322199867,3036544958,28722439343,272501681533,
 2591959274190]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)