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A297757 as a simple table

n a(n)
1 1
2 12
3 52
4 186
5 1045
6 5685
7 28565
8 148681
9 783104
10 4082179
11 21289432
12 111293510
13 581390557
14 3036127779
15 15859365566
16 82842802213
17 432710054944
18 2260195540670
19 11805906967573
20 61666590418664
21 322107101630217
22 1682485627292574

[1,12,52,186,1045,5685,28565,148681,783104,
 4082179,21289432,111293510,581390557,3036127779,
 15859365566,82842802213,432710054944,
 2260195540670,11805906967573,61666590418664,
 322107101630217,1682485627292574]

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Last modified January 22 01:28 EST 2022. Contains 350481 sequences. (Running on oeis4.)