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A212381 as a simple table

n a(n)
2 1
3 2
4 10
5 78
6 728
7 7848
8 94374
9 1242910
10 17696008
11 269931648
12 4382342380
13 75347334440
14 1366637858280
15 26068366769840
16 521600687481182
17 10924123724430678
18 239025078013012744
19 5454868593441272080
20 129644175575638999380
21 3204394919259792492432

[1,2,10,78,728,7848,94374,1242910,17696008,
 269931648,4382342380,75347334440,1366637858280,
 26068366769840,521600687481182,10924123724430678,
 239025078013012744,5454868593441272080,
 129644175575638999380,3204394919259792492432]

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Last modified April 23 02:53 EDT 2024. Contains 371906 sequences. (Running on oeis4.)