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A227209 as a simple table

n a(n)
1 1
2 8
3 43
4 198
5 849
6 3516
7 14311
8 57746
9 231997
10 930024
11 3724179
12 14904894
13 59635945
14 238576532
15 954371647
16 3817617642
17 15270732693
18 61083455040
19 244334868715
20 977341571990
21 3909370482241
22 15637490317548

[1,8,43,198,849,3516,14311,57746,231997,930024,
 3724179,14904894,59635945,238576532,954371647,
 3817617642,15270732693,61083455040,244334868715,
 977341571990,3909370482241,15637490317548]

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Last modified July 24 21:47 EDT 2021. Contains 346273 sequences. (Running on oeis4.)