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A121783 as a simple table

n a(n)
1 1
2 14
3 116
4 722
5 3887
6 18508
7 82160
8 340180
9 1351555
10 5136194
11 18989580
12 68082102
13 239338055
14 822629240
15 2786064872
16 9274487688
17 30521878637
18 99086541810
19 318742922236
20 1014076260686
21 3202213457395

[1,14,116,722,3887,18508,82160,340180,1351555,
 5136194,18989580,68082102,239338055,822629240,
 2786064872,9274487688,30521878637,99086541810,
 318742922236,1014076260686,3202213457395]

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Last modified January 20 23:47 EST 2021. Contains 340332 sequences. (Running on oeis4.)