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A144882 as a simple table

n a(n)
1 1
2 4
3 16
4 85
5 481
6 3352
7 25420
8 223393
9 2157565
10 23241244
11 272933680
12 3496821133
13 48307202761
14 717473918560
15 11381186498836
16 192155770419673
17 3438337498017781
18 65004294514876996
19 1294456866053992600
20 27081588485949257605

[1,4,16,85,481,3352,25420,223393,2157565,23241244,
 272933680,3496821133,48307202761,717473918560,
 11381186498836,192155770419673,3438337498017781,
 65004294514876996,1294456866053992600,
 27081588485949257605]

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Last modified April 25 11:16 EDT 2024. Contains 371967 sequences. (Running on oeis4.)