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A203594 as a simple table

n a(n)
1 3
2 9
3 18
4 26
5 26
6 12
7 98
8 366
9 796
10 996
11 534
12 5366
13 23308
14 56516
15 75120
16 41600
17 448400
18 2053480
19 5180820
20 7049350
21 3952950
22 44504530
23 210527016
24 543851924
25 750110424
26 423385872
27 4900761656
28 23667951384
29 62074790736
30 86372858208
31 48953570736

[3,9,18,26,26,12,98,366,796,996,534,5366,23308,
 56516,75120,41600,448400,2053480,5180820,7049350,
 3952950,44504530,210527016,543851924,750110424,
 423385872,4900761656,23667951384,62074790736,
 86372858208,48953570736]

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Last modified July 24 09:48 EDT 2024. Contains 374583 sequences. (Running on oeis4.)