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A290358 as a simple table

n a(n)
0 1
1 1
2 9
3 45
4 285
5 1575
6 9237
7 52221
8 297633
9 1676364
10 9425128
11 52688379
12 293582296
13 1629482947
14 9015732880
15 49727160669
16 273504111761
17 1500271605182
18 8209029290412
19 44811239964075
20 244069307558722
21 1326536980923855
22 7195340066129605
23 38953817605037254

[1,1,9,45,285,1575,9237,52221,297633,1676364,
 9425128,52688379,293582296,1629482947,9015732880,
 49727160669,273504111761,1500271605182,
 8209029290412,44811239964075,244069307558722,
 1326536980923855,7195340066129605,
 38953817605037254]

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Last modified May 3 17:26 EDT 2024. Contains 372222 sequences. (Running on oeis4.)