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A254549 as a simple table

n a(n)
1 47140
2 111443
3 388056
4 1193965
5 3450189
6 9912158
7 27729322
8 76395530
9 209879361
10 578181034
11 1602832753
12 4455603121
13 12441771494
14 34759502130
15 97208699643
16 271806597833
17 760315608690
18 2126343337001
19 5948937423681
20 16642500007263 

[47140,111443,388056,1193965,3450189,9912158,
 27729322,76395530,209879361,578181034,1602832753,
 4455603121,12441771494,34759502130,97208699643,
 271806597833,760315608690,2126343337001,
 5948937423681,16642500007263]

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Last modified March 24 20:36 EDT 2023. Contains 361510 sequences. (Running on oeis4.)