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A305907 as a simple table

n a(n)
1 8
2 28
3 98
4 396
5 2075
6 9140
7 40412
8 189729
9 873060
10 3979064
11 18356703
12 84632174
13 389029015
14 1791954662
15 8257849953
16 38030907288
17 175204408009
18 807291828371
19 3719389877395
20 17136993336823
21 78962057731073
22 363828807655049

[8,28,98,396,2075,9140,40412,189729,873060,
 3979064,18356703,84632174,389029015,1791954662,
 8257849953,38030907288,175204408009,807291828371,
 3719389877395,17136993336823,78962057731073,
 363828807655049]

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Last modified February 23 05:35 EST 2024. Contains 370267 sequences. (Running on oeis4.)