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A094558 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 42
5 180
6 825
7 3874
8 18761
9 92524
10 464208
11 2359120
12 12125196
13 62902786
14 328981007
15 1732617254
16 9181203778
17 48915412966
18 261868866141
19 1407973076658
20 7599615217348
21 41163832991048
22 223681001166586
23 1219021518421518

[1,1,3,10,42,180,825,3874,18761,92524,464208,
 2359120,12125196,62902786,328981007,1732617254,
 9181203778,48915412966,261868866141,1407973076658,
 7599615217348,41163832991048,223681001166586,
 1219021518421518]

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Last modified March 2 15:29 EST 2024. Contains 370494 sequences. (Running on oeis4.)