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A222162 as a simple table

n a(n)
1 81
2 329
3 1216
4 4499
5 16750
6 62531
7 231973
8 855590
9 3147832
10 11573804
11 42548081
12 156375085
13 574525894
14 2110266004
15 7749866077
16 28458386767
17 104495519709 

[81,329,1216,4499,16750,62531,231973,855590,
 3147832,11573804,42548081,156375085,574525894,
 2110266004,7749866077,28458386767,104495519709]

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Last modified June 10 09:03 EDT 2023. Contains 363196 sequences. (Running on oeis4.)