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A130169 as a simple table

n a(n)
1 1
2 2
3 9
4 63
5 621
6 8127
7 135729
8 2810403
9 70558101
10 2109957687
11 74061977049
12 3014272078443
13 140764140297981
14 7474792551154047
15 447790997859123969
16 30053688313164013683
17 2245843775591721612261
18 185829940905166760571207
19 16941047558158020804504489

[1,2,9,63,621,8127,135729,2810403,70558101,
 2109957687,74061977049,3014272078443,
 140764140297981,7474792551154047,
 447790997859123969,30053688313164013683,
 2245843775591721612261,185829940905166760571207,
 16941047558158020804504489]

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Last modified August 12 17:17 EDT 2020. Contains 336439 sequences. (Running on oeis4.)