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A121423 as a simple table

n a(n)
0 1
1 3
2 18
3 169
4 2190
5 36360
6 737051
7 17645187
8 487025244
9 15219471545
10 530951735025
11 20447695079658
12 861389893507518
13 39394187817328680
14 1943446826192453505
15 102863050524539640435
16 5813722327999905078450

[1,3,18,169,2190,36360,737051,17645187,487025244,
 15219471545,530951735025,20447695079658,
 861389893507518,39394187817328680,
 1943446826192453505,102863050524539640435,
 5813722327999905078450]

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Last modified September 7 13:22 EDT 2024. Contains 375730 sequences. (Running on oeis4.)