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A069726 as a simple table

n a(n)
0 1
1 1
2 6
3 54
4 594
5 7371
6 99144
7 1412802
8 21025818
9 323686935
10 5120138790
11 82812679560
12 1364498150904
13 22839100002036
14 387477144862128
15 6651170184185802
16 115346229450879978
17 2018559015390399615
18 35610482089433479410
19 632770874050702595670
20 11317118106279639106530

[1,1,6,54,594,7371,99144,1412802,21025818,
 323686935,5120138790,82812679560,1364498150904,
 22839100002036,387477144862128,6651170184185802,
 115346229450879978,2018559015390399615,
 35610482089433479410,632770874050702595670,
 11317118106279639106530]

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Last modified November 22 16:31 EST 2019. Contains 329396 sequences. (Running on oeis4.)