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A054727 as a simple table

n a(n)
1 1
2 2
3 7
4 33
5 181
6 1083
7 6854
8 45111
9 305629
10 2117283
11 14929212
12 106790500
13 773035602
14 5652275723
15 41683912721
16 309691336359
17 2315772552485
18 17415395593371
19 131632335068744
20 999423449413828
21 7618960581522348
22 58295017292748756
23 447517868947619432
24 3445923223190363608

[1,2,7,33,181,1083,6854,45111,305629,2117283,
 14929212,106790500,773035602,5652275723,
 41683912721,309691336359,2315772552485,
 17415395593371,131632335068744,999423449413828,
 7618960581522348,58295017292748756,
 447517868947619432,3445923223190363608]

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Last modified March 3 14:58 EST 2021. Contains 341762 sequences. (Running on oeis4.)