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A180675 as a simple table

n a(n)
0 1
1 1
2 1
3 9
4 97
5 1041
6 11169
7 119833
8 1285697
9 13794337
10 148000449
11 1587907625
12 17036776865
13 182788823089
14 1961154631009
15 21041371248697
16 225754408665729
17 2422135536207937
18 25987269043538817
19 278819307278968905

[1,1,1,9,97,1041,11169,119833,1285697,13794337,
 148000449,1587907625,17036776865,182788823089,
 1961154631009,21041371248697,225754408665729,
 2422135536207937,25987269043538817,
 278819307278968905]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)