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A208439 as a simple table

n a(n)
1 6
2 28
3 134
4 646
5 3118
6 15052
7 72662
8 350776
9 1693360
10 8174678
11 39463082
12 190507418
13 919671000
14 4439696150
15 21432553756
16 103465280456
17 499476814534
18 2411215573070
19 11640100762206
20 56192382129180
21 271267737270734

[6,28,134,646,3118,15052,72662,350776,1693360,
 8174678,39463082,190507418,919671000,4439696150,
 21432553756,103465280456,499476814534,
 2411215573070,11640100762206,56192382129180,
 271267737270734]

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Last modified May 15 07:58 EDT 2024. Contains 372538 sequences. (Running on oeis4.)