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A205057 as a simple table

n a(n)
1 81
2 491
3 2830
4 14206
5 68508
6 311076
7 1375313
8 5904417
9 24933375
10 103696183
11 427081054
12 1744729352
13 7088213440
14 28671903248
15 115624112159
16 465198328593
17 1868598182563
18 7496692149869
19 30050430752062
20 120382149539840

[81,491,2830,14206,68508,311076,1375313,5904417,
 24933375,103696183,427081054,1744729352,
 7088213440,28671903248,115624112159,465198328593,
 1868598182563,7496692149869,30050430752062,
 120382149539840]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)