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A219197 as a simple table

n a(n)
0 1
1 2
2 9
3 46
4 253
5 1452
6 8570
7 51594
8 315225
9 1948010
10 12147881
11 76316508
12 482392198
13 3064987460
14 19560379470
15 125309993974
16 805458510441
17 5192500350906
18 33561539356277
19 217429403317006
20 1411572472199649
21 9181398851046632
22 59821825063376124
23 390382132833183204

[1,2,9,46,253,1452,8570,51594,315225,1948010,
 12147881,76316508,482392198,3064987460,
 19560379470,125309993974,805458510441,
 5192500350906,33561539356277,217429403317006,
 1411572472199649,9181398851046632,
 59821825063376124,390382132833183204]

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Last modified May 14 11:40 EDT 2024. Contains 372532 sequences. (Running on oeis4.)