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A068388 as a simple table

n a(n)
1 1
2 5
3 9
4 9
5 47
6 54
7 171
8 867
9 3056
10 28687
11 133134
12 542005
13 563497
14 1046686
15 1955619
16 2057281
17 42760619
18 661780137
19 1109113993
20 6460565976
21 8523453296
22 34406061218
23 64402180149
24 1607033374515
25 10943963720662
26 124655149151970

[1,5,9,9,47,54,171,867,3056,28687,133134,542005,
 563497,1046686,1955619,2057281,42760619,661780137,
 1109113993,6460565976,8523453296,34406061218,
 64402180149,1607033374515,10943963720662,
 124655149151970]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)