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A191806 as a simple table

n a(n)
0 1
1 1
2 2
3 19
4 253
5 5256
6 153121
7 5793349
8 292530822
9 18658710139
10 1476004466687
11 143228682526672
12 16603062548806759
13 2272210780577578355
14 363396388117576899042
15 67028665570181029621005
16 14142153576677394736652147

[1,1,2,19,253,5256,153121,5793349,292530822,
 18658710139,1476004466687,143228682526672,
 16603062548806759,2272210780577578355,
 363396388117576899042,67028665570181029621005,
 14142153576677394736652147]

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Last modified August 12 09:17 EDT 2020. Contains 336438 sequences. (Running on oeis4.)