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A000698 as a simple table

n a(n)
0 1
1 1
2 2
3 10
4 74
5 706
6 8162
7 110410
8 1708394
9 29752066
10 576037442
11 12277827850
12 285764591114
13 7213364729026
14 196316804255522
15 5731249477826890
16 178676789473121834
17 5925085744543837186
18 208256802758892355202
19 7734158085942678174730

[1,1,2,10,74,706,8162,110410,1708394,29752066,
 576037442,12277827850,285764591114,7213364729026,
 196316804255522,5731249477826890,
 178676789473121834,5925085744543837186,
 208256802758892355202,7734158085942678174730]

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Last modified February 21 04:43 EST 2018. Contains 299389 sequences. (Running on oeis4.)