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A187123 as a simple table

n a(n)
3 1
4 4
5 22
6 164
7 1599
8 19624
9 292799
10 5162063
11 105139954
12 2430528374
13 62877375426
14 1799698534522
15 56461862815496
16 1926534563625822
17 71024188655886038
18 2813193432059656268
19 119136308527407025379
20 5371507426340905440926

[1,4,22,164,1599,19624,292799,5162063,105139954,
 2430528374,62877375426,1799698534522,
 56461862815496,1926534563625822,71024188655886038,
 2813193432059656268,119136308527407025379,
 5371507426340905440926]

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Last modified June 11 03:59 EDT 2024. Contains 373288 sequences. (Running on oeis4.)