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A268889 as a simple table

n a(n)
1 0
2 71
3 462
4 4133
5 27130
6 186732
7 1187838
8 7529253
9 46440962
10 283673207
11 1710265892
12 10226321520
13 60660804228
14 357586190291
15 2096177689750
16 12229766790505
17 71054027831574
18 411303965509420
19 2373090804832634

[0,71,462,4133,27130,186732,1187838,7529253,
 46440962,283673207,1710265892,10226321520,
 60660804228,357586190291,2096177689750,
 12229766790505,71054027831574,411303965509420,
 2373090804832634]

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Last modified September 26 05:07 EDT 2021. Contains 347664 sequences. (Running on oeis4.)