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A229066 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 3
5 11
6 26
7 50
8 315
9 1168
10 3309
11 7910
12 78134
13 431354
14 1748956
15 5797168
16 16619603
17 239887424
18 1875375485
19 10496708022
20 47013492080
21 178807998112
22 599025922320
23 11965846097382
24 126883998286089
25 947079890934441
26 5574231845278396
27 27500583638094490

[1,1,1,2,3,11,26,50,315,1168,3309,7910,78134,
 431354,1748956,5797168,16619603,239887424,
 1875375485,10496708022,47013492080,178807998112,
 599025922320,11965846097382,126883998286089,
 947079890934441,5574231845278396,
 27500583638094490]

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Last modified May 4 17:24 EDT 2024. Contains 372257 sequences. (Running on oeis4.)