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A103815 as a simple table

n a(n)
1 0
2 0
3 1
4 5
5 29
6 239
7 3119
8 65519
9 2227679
10 122522399
11 10904493599
12 1570247078399
13 365867569267199
14 137932073613734399
15 84138564904377983999
16 83044763560621070207999
17 132622487406311849122175999
18 342696507457909818131702783999
19 1432814097681520949608649339903999

[0,0,1,5,29,239,3119,65519,2227679,122522399,
 10904493599,1570247078399,365867569267199,
 137932073613734399,84138564904377983999,
 83044763560621070207999,
 132622487406311849122175999,
 342696507457909818131702783999,
 1432814097681520949608649339903999]

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Last modified September 14 02:27 EDT 2024. Contains 375910 sequences. (Running on oeis4.)