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A006177 as a simple table

n a(n)
1 1
2 1
3 3
4 8
5 25
6 72
7 245
8 772
9 2692
10 8925
11 32065
12 109890
13 400023
14 1402723
15 5165327
16 18484746
17 68635477
18 248339122
19 930138521
20 3406231198
21 12810761323
22 47306348881
23 178987624513
24 665627041157
25 2528210175630
26 9456885664122

[1,1,3,8,25,72,245,772,2692,8925,32065,109890,
 400023,1402723,5165327,18484746,68635477,
 248339122,930138521,3406231198,12810761323,
 47306348881,178987624513,665627041157,
 2528210175630,9456885664122]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)