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A026822 as a simple table

n a(n)
1 1
2 2
3 5
4 17
5 90
6 737
7 9671
8 203828
9 6939823
10 381894093
11 33995514100
12 4895735924493
13 1140740465920969
14 430064051388129806
15 262340212087225102629
16 258930219394142564424629
17 413511822712657762611235142
18 1068514808819727052729996031557
19 4467460829187101520121876019174959

[1,2,5,17,90,737,9671,203828,6939823,381894093,
 33995514100,4895735924493,1140740465920969,
 430064051388129806,262340212087225102629,
 258930219394142564424629,
 413511822712657762611235142,
 1068514808819727052729996031557,
 4467460829187101520121876019174959]

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Last modified April 3 00:35 EDT 2020. Contains 333195 sequences. (Running on oeis4.)