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A085549 as a simple table

n a(n)
1 1
2 2
3 4
4 10
5 28
6 97
7 359
8 1635
9 8296
10 48432
11 316520
12 2305104
13 18428254
14 160384348
15 1506613063
16 15180782537
17 163211097958
18 1864251304892
19 22540603640086
20 287577260214946
21 3860595341568062
22 54397355465967057
23 802684717378090204

[1,2,4,10,28,97,359,1635,8296,48432,316520,
 2305104,18428254,160384348,1506613063,15180782537,
 163211097958,1864251304892,22540603640086,
 287577260214946,3860595341568062,
 54397355465967057,802684717378090204]

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Last modified July 9 16:50 EDT 2020. Contains 335545 sequences. (Running on oeis4.)