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A202428 as a simple table

n a(n)
1 108
2 390
3 1344
4 4680
5 16254
6 56508
7 196350
8 682452
9 2371680
10 8242608
11 28645968
12 99555660
13 345992850
14 1202454762
15 4178979168
16 14523514614
17 50474639160
18 175418231664
19 609643897626
20 2118740336046
21 7363414320192
22 25590616062900

[108,390,1344,4680,16254,56508,196350,682452,
 2371680,8242608,28645968,99555660,345992850,
 1202454762,4178979168,14523514614,50474639160,
 175418231664,609643897626,2118740336046,
 7363414320192,25590616062900]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)