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A015424 as a simple table

n a(n)
12 1
13 398581
14 238300021051
15 122119467087816511
16 65710531328480659504924
17 34778150788062009177434607244
18 18507923283033747485964552371646724
19 9831373896055842251635498188040677794164 

[1,398581,238300021051,122119467087816511,
 65710531328480659504924,
 34778150788062009177434607244,
 18507923283033747485964552371646724,
 9831373896055842251635498188040677794164]

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Last modified August 7 13:52 EDT 2022. Contains 355989 sequences. (Running on oeis4.)