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A250019 as a simple table

n a(n)
1 20
2 2864
3 93384
4 1332504
5 11215276
6 65834856
7 298220320
8 1112201376
9 3567226068
10 10145447312
11 26161729352
12 62193634776
13 138055565388
14 289022674792
15 575229575808
16 1095429860608
17 2006608664532
18 3551295564720
19 6094832640776

[20,2864,93384,1332504,11215276,65834856,
 298220320,1112201376,3567226068,10145447312,
 26161729352,62193634776,138055565388,289022674792,
 575229575808,1095429860608,2006608664532,
 3551295564720,6094832640776]

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Last modified April 24 10:00 EDT 2024. Contains 371935 sequences. (Running on oeis4.)