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A098746 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 23
5 102
6 495
7 2549
8 13682
9 75714
10 428882
11 2474573
12 14492346
13 85926361
14 514763279
15 3111119358
16 18946375767
17 116147683902
18 716179441293
19 4438862153246
20 27638747494178
21 172805469880497
22 1084462349973559
23 6828717036765622
24 43132158190994223
25 273204023401012901

[1,1,2,6,23,102,495,2549,13682,75714,428882,
 2474573,14492346,85926361,514763279,3111119358,
 18946375767,116147683902,716179441293,
 4438862153246,27638747494178,172805469880497,
 1084462349973559,6828717036765622,
 43132158190994223,273204023401012901]

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Last modified May 30 18:07 EDT 2020. Contains 334728 sequences. (Running on oeis4.)