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A249636 as a simple table

n a(n)
0 1
1 1
2 2
3 7
4 33
5 186
6 1213
7 8949
8 73300
9 657589
10 6396829
11 66936872
12 748528619
13 8896663389
14 111873459298
15 1482522176651
16 20633389026901
17 300705290677218
18 4576892504775417
19 72584518271451169
20 1196883163316172252
21 20482129284796798609
22 363138667441109774065
23 6659922487212111452776

[1,1,2,7,33,186,1213,8949,73300,657589,6396829,
 66936872,748528619,8896663389,111873459298,
 1482522176651,20633389026901,300705290677218,
 4576892504775417,72584518271451169,
 1196883163316172252,20482129284796798609,
 363138667441109774065,6659922487212111452776]

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Last modified May 17 12:55 EDT 2021. Contains 343971 sequences. (Running on oeis4.)