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A006608 as a simple table

na(n)
10
20
30
40
52
610
7110
81722
951039
102560606
11215331676
1231067572481

[0,0,0,0,2,10,110,1722,51039,2560606,215331676,
 31067572481]

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Last modified September 21 02:31 EDT 2024. Contains 376079 sequences. (Running on oeis4.)