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A139742 as a simple table

n a(n)
0 0
1 7
2 105
3 1267
4 14385
5 160027
6 1767465
7 19470787
8 214293345
9 2357685547
10 25936376025
11 285307476307
12 3138411599505
13 34522645035067
14 379749565147785
15 4177247095673827
16 45949725568604865
17 505447011319424587
18 5559917244772754745
19 61159090173536639347

[0,7,105,1267,14385,160027,1767465,19470787,
 214293345,2357685547,25936376025,285307476307,
 3138411599505,34522645035067,379749565147785,
 4177247095673827,45949725568604865,
 505447011319424587,5559917244772754745,
 61159090173536639347]

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Last modified April 8 21:01 EDT 2020. Contains 333325 sequences. (Running on oeis4.)