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A189475 as a simple table

n a(n)
1 1
2 3
3 21
4 171
5 1485
6 435
7 16653
8 149331
9 1342341
10 12076155
11 990528
12 1279200
13 263901
14 169071
15 446985
16 133865703
17 1180416
18 1214185281
19 2366400
20 25045503
21 247275441
22 8923200
23 19634511
24 56525028
25 229847520
26 739374285
27 224497455
28 81939201
29 24010841091
30 1106357280

[1,3,21,171,1485,435,16653,149331,1342341,
 12076155,990528,1279200,263901,169071,446985,
 133865703,1180416,1214185281,2366400,25045503,
 247275441,8923200,19634511,56525028,229847520,
 739374285,224497455,81939201,24010841091,
 1106357280]

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Last modified April 20 05:13 EDT 2024. Contains 371798 sequences. (Running on oeis4.)