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A220640 as a simple table

n a(n)
0 1
1 5
2 172
3 3755
4 92801
5 2226936
6 53841725
7 1299348473
8 31371388772
9 757341382671
10 18283618480037
11 441397115736816
12 10656083384666537
13 257256013409077661
14 6210599281867691164
15 149934463555725516099
16 3619673802389322978937
17 87385102146053809399912

[1,5,172,3755,92801,2226936,53841725,1299348473,
 31371388772,757341382671,18283618480037,
 441397115736816,10656083384666537,
 257256013409077661,6210599281867691164,
 149934463555725516099,3619673802389322978937,
 87385102146053809399912]

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Last modified December 6 08:34 EST 2023. Contains 367600 sequences. (Running on oeis4.)