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A287679 as a simple table

n a(n)
1 1
2 2
3 12
4 408
5 13860
6 470832
7 15994428
8 543339720
9 18457556052
10 627013566048
11 21300003689580
12 723573111879672
13 24580185800219268
14 835002744095575440
15 963592443113182178088
16 32733777552734744709300
17 1111984844349868137938112
18 1283229546787304717998403160

[1,2,12,408,13860,470832,15994428,543339720,
 18457556052,627013566048,21300003689580,
 723573111879672,24580185800219268,
 835002744095575440,963592443113182178088,
 32733777552734744709300,1111984844349868137938112,
 1283229546787304717998403160]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)