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A199308 as a simple table

n a(n)
0 2
1 9
2 44
3 219
4 1094
5 5469
6 27344
7 136719
8 683594
9 3417969
10 17089844
11 85449219
12 427246094
13 2136230469
14 10681152344
15 53405761719
16 267028808594
17 1335144042969
18 6675720214844
19 33378601074219
20 166893005371094
21 834465026855469

[2,9,44,219,1094,5469,27344,136719,683594,3417969,
 17089844,85449219,427246094,2136230469,
 10681152344,53405761719,267028808594,
 1335144042969,6675720214844,33378601074219,
 166893005371094,834465026855469]

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Last modified May 9 04:02 EDT 2024. Contains 372341 sequences. (Running on oeis4.)